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Tefillin (or phylacteries) are a set of small black leather boxes containing scrolls of parchment inscribed with verses from the Torah, which are worn by observant Jewish men during weekday morning prayers. Although "tefillin" is technically the plural form (the singular being "tefillah"), it is loosely used as a singular as well.The hand-tefillin, or shel yad, is placed on the upper arm, and the strap wrapped around the arm, hand and fingers; while the head-tefillin, or shel rosh, is placed above the forehead. The Torah commands that they should be worn to serve as a "sign" and "remembrance" that God brought the children of Israel out of Egypt. The tefillin each contain four portions: Exodus 13:1–10, 13:11–16, and Deuteronomy 6:4–9, 11:13–21, all of which mention the commandment. In the hand-tefillin, these are all written on one scroll, but in the head-tefillin each has its own scroll and compartment. (Read more...)

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Chavrusa is a traditional rabbinic approach to Talmudic study in which a pair of students analyze, discuss, and debate a shared text. It is a primary learning method in yeshivas and kollels, where students often engage regular study partners of similar knowledge and ability, and is also practiced by men and boys outside the yeshiva setting, in work, home and vacation settings. The traditional phrase is to learn b'chavrusa (i.e., in partnership); the word has come by metonymy to refer to the study partner as an individual, though it would more logically describe the pair.

Unlike a teacher-student relationship, in which the student memorizes and repeats the material back in tests, chavrusa-style learning puts each student in the position of analyzing the text, organizing his thoughts into logical arguments, explaining his reasoning to his partner, hearing out his partner's reasoning, and questioning and sharpening each other's ideas, often arriving at entirely new insights into the meaning of the text. While chavrusa-style learning is traditionally practiced by men and boys, it has become popular in women's yeshivas that study Talmudic texts. In recent times, it has een extended to telephone and internet hookups in which partners study Talmud as well as other traditional Jewish texts. (Read more...)

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Shemini Atzeret is a Jewish holiday. It is celebrated on the 22nd day of the Hebrew month of Tishrei in the land of Israel, and on the 22nd and 23rd outside the land. In the Tanakh and Talmud, Shemini Atzeret is somewhat connected to the festival of Sukkot, which it directly follows. At the same time, it is considered to be a separate festival in its own right. Outside the land of Israel, this is further complicated by the additional day of Biblical holidays. The first day of Shemini Atzeret therefore coincides with the eighth day of Sukkot outside of Israel.

The celebration of Simchat Torah is the most distinctive feature of the holiday, but it is a later rabbinical innovation. In Israel, the celebrations of Shemini Atzeret and Simchat Torah are combined on a single day. In the Diaspora, the celebration of Simchat Torah is deferred to the second day of the holiday. Commonly, only the first day is referred to as Shemini Atzeret, while the second is called Simchat Torah. The holiday also features the prayers Yizkor and Geshem. (Read more...)

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Kvitel refers to a practice developed by Hasidic Judaism in which a Hasid writes a note with a petitionary prayer and gives it to a Rebbe (Hasidic leader) in order to receive the latter's blessing. This prayer may be a general request for health, livelihood, or success, or a specific request such as recovery from illness, the ability to bear children, a wedding match, etc. The writing, giving and reading of a kvitel is treated very seriously by Hasid and Rebbe alike, and is executed according to specific protocols. Because of their inherent sanctity, kvitelach may not be thrown away after use; they are either burned or buried.

The practice of giving kvitelach continues today in all the Hasidic courts. Kvitelach are also placed on the graves of Rebbes and tzadikim (plural of "tzadik," or Jewish holy man) with the hope that the soul of the deceased will intercede for the petitioner in Heaven.

It is a centuries-old custom for Jews to place kvitelach containing personal prayers to God between the stones of the Western Wall in Jerusalem. This practice has been also adopted by Christian pilgrims and foreign dignitaries as well. More than a million prayer notes are placed in the Western Wall each year. (Read more...)

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The Western Wall is located in the Old City of Jerusalem at the foot of the western side of the Temple Mount. It is a remnant of the ancient wall that surrounded the Jewish Temple's courtyard, and is perhaps the most sacred site recognized by the Jewish faith outside of the Temple Mount itself. Just over half the wall, including its 17 courses located below street level, dates from the end of the Second Temple period. Constructed around 19 BCE by Herod the Great, the works were probably not finished during his lifetime. The remaining layers were added from the 7th century onwards. The Western Wall refers not only to the exposed section facing a large plaza in the Jewish Quarter, but also to the sections concealed behind structures running along the whole length of the Temple Mount, such as the Little Western Wall–a 25 ft (8 m) section in the Muslim Quarter.

It has been a site for Jewish prayer and pilgrimage for centuries; the earliest source mentioning Jewish attachment to the site dates back to the 4th century. From the mid-19th century onwards, various Jews tried, without success, to purchase rights to the wall. In the early 20th century, the wall became a source of friction between the Jewish community and the Muslim religious leadership, and outbreaks of violence at the foot of the wall became commonplace. After the 1948 Arab–Israeli War the wall came under Jordanian control and Jews were barred from the site for 19 years until Israel recaptured the Old City Six-Day War in 1967. (Read more...)

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A Kohen (plural: Kohanim) is a direct patrilineal descendant of Aaron, the brother of Moses. In the times of the Temple, Kohanim performed nearly all of the services there, where they were divided into twenty-four family groups, and led by the Kohen Gadol. They also recite the Priestly Blessing to the congregation in synagogues. Kohanim receive twenty-four gifts, only a few of which apply today. They are given precedence in many matters, including the reading of the Torah. Kohanim are also subject to a few prohibitions, including marrying a divorcee and entering a cemetery. (Read more...)

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Joseph's Tomb is a funerary monument located at the eastern entrance to the valley that separates Mounts Gerizim and Ebal, on the outskirts of the West Bank city of Nablus, near the site of Shechem. Biblical tradition identifies the general area of Shechem as the resting-place of Joseph and his two sons Ephraim and Manasseh. Joseph's tomb has been venerated throughout the ages by Jews, Christians and Muslims. Post-biblical records about the Tomb's location at this site date from the 4th century. The present structure, a small rectangular room with a cenotaph, dates from 1868. Modern scholarship has yet to determine if the cenotaph is the ancient biblical gravesite. No sources prior to the 5th century mention the tomb, and the structure originally erected over it appears to have been built by the Samaritans.

Joseph's Tomb has witnessed intense sectarian conflict. Samaritans and Christians disputing access and title to the site in the early Byzantine period often clashed violently. After Israel captured the West Bank in 1967, conflict from competing Jewish and Muslim claims over the tomb became frequent. Though under the jurisdiction of the Palestinian National Authority after the signing of the Oslo Accords, it remained under IDF guard with Muslims prohibited. At the beginning of the Al-Aqsa Intifada in 2000, just after being handed over to the PNA, it was looted and razed by a Palestinian mob. Following Israel's reoccupation of Nablus in the 2002 Operation Defensive Shield, Jewish groups returned there intermittently. Recently the structure has been refurbished, with a new cupola installed, and visits by Jewish worshipers have resumed. (Read more...)

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Jewish holidays include both Biblical and Rabbinic observances. Biblical days include the weekly Shabbat, considered the most important such day. There are the Three Pilgrimage Festivals of Passover, Shavuot, and Shemini Atzeret. The High Holy Days of Rosh Hashanah and Yom Kippur are times of repentance and prayer. Rosh Chodesh, the first day of each month, has some significance as well. Rabbinic enactments include Hanukkah and Purim, both celebrating religious and military victories. (Read more...)

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Temple Sinai is a Reform Jewish congregation located at 2808 Summit Street in Oakland, California. Founded in 1875, it is the oldest Jewish congregation in the East Bay. Its early members included Gertrude Stein and Judah Leon Magnes, who studied at Temple Sinai's Sabbath school, and Ray Frank, who taught them. Originally traditional, under the leadership of Rabbi Marcus Friedlander (1893–1915) Temple Sinai reformed its beliefs and practices. By 1914, it had become a Classical Reform congregation. That year the current sanctuary was built, a Beaux-Arts structure designed by G. Albert Lansburgh which is the oldest synagogue in Oakland. The congregation weathered four major financial crises by 1934. It has since been led by just three rabbis, William Stern (1934–1965), Samuel Broude (1966–1989), and Steven Chester (1989–present). In 2006 Temple Sinai embarked on a $15 million capital campaign to construct an entirely new synagogue campus adjacent to its current sanctuary. Groundbreaking took place in October 2007, and by late 2009 the congregation had raised almost $12 million towards the construction. As of 2010, the Temple Sinai had nearly 1,000 member families. The rabbis were Steven Chester, Jacqueline Mates-Muchin, and Andrea Berlin, and the hazzan was Ilene Keys. (Read more...)

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Congregation Baith Israel Anshei Emes is an egalitarian Conservative synagogue located at 236 Kane Street in Cobble Hill, Brooklyn, New York City. It is currently the oldest continuously operating synagogue in Brooklyn. Founded as Baith Israel in 1856, the congregation constructed the first synagogue on Long Island, and hired Rabbi Aaron Wise for his first rabbinical position in the United States. Early tensions between traditionalists and reformers led to the latter forming Congregation Beth Elohim, a Reform synagogue, in 1861. The synagogue nearly failed in the early 1900s, but the 1905 hiring of Israel Goldfarb as rabbi, the purchase of its current buildings, and the 1908 merger with Talmud Torah Anshei Emes, re-invigorated the congregation. The famous composer Aaron Copland celebrated his bar mitzvah there in 1913, and long-time Goldman Sachs head Sidney Weinberg was married there in 1920. Membership peaked in the 1920s, but with the onset of the Great Depression declined steadily, and by the 1970s the congregation could no longer afford to heat the sanctuary. Membership has recovered since that low point; the congregation renovated its school/community center in 2004, and in 2008 embarked on a million-dollar capital campaign to renovate the sanctuary. (Read more...)

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Temple Israel is a Reform Jewish congregation in Memphis, Tennessee. It is the only Reform synagogue in Memphis, the oldest and largest Jewish congregation in Tennessee, and one of the largest Reform congregations in the United States. It was founded in 1853 by mostly German Jews as Congregation B'nai Israel. Led initially by cantors, in 1858 it hired its first rabbi, Jacob Peres, and leased its first building, which it renovated and eventually purchased. The synagogue was one of the founding members of the Union for Reform Judaism. It experienced difficulty during the Great Depression—membership dropped, the congregational school was closed, and staff had their salaries reduced—but conditions had improved by the late 1930s. In 1943 the synagogue changed its name to Temple Israel, and by the late 1940s membership had almost doubled from its low point in the 1930s. Rabbi Jimmy Wax became known for his activism during the Civil Rights era. In 1976 the congregation constructed its current building, closer to where most members lived. Wax retired in 1978, and was succeeded by Harry Danziger, who brought traditional practices back to the congregation. He retired in 2000, and was succeeded by Micah Greenstein. As of 2010, Temple Israel has almost 1,600 member families. Greenstein is the senior rabbi, and the cantor is John Kaplan. (Read more...)

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Congregation Beth Elohim is a Jewish Reform congregation located in the Park Slope neighborhood of Brooklyn, New York. Founded in 1861 as a more liberal breakaway from Congregation Baith Israel, in its first 65 years it attempted four mergers with other congregations, including three with Baith Israel, all of which failed. The congregation completed its current Classical Revival synagogue building in 1910 and its "Jewish Deco" (Romanesque Revival and Art Deco) Temple House in 1929. The congregation went through difficult times during the Great Depression, and the bank almost foreclosed on its buildings in 1946. Membership dropped significantly in the 1930s because of the Depression, and again in the 1970s as a result of demographic shifts. Programs for young children helped draw Jewish families back into the neighborhood and revitalize the membership. By 2006 Beth Elohim had over 1000 members, and, as of 2008, it was the largest Reform congregation in Brooklyn, the "oldest Brooklyn congregation that continues to function under its corporate name", and its pulpit was the oldest in continuous use in any Brooklyn synagogue. (Read more...)

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Beth Hamedrash Hagadol is an Orthodox congregation that was, for over 120 years, located in a historic synagogue building at 60–64 Norfolk Street in Manhattan, New York, on the Lower East Side. It was the first Eastern European congregation founded in New York City and the oldest Orthodox Russian Jewish congregation in the United States. Founded in 1852 by Rabbi Abraham Ash as Beth Hamedrash, it split in 1859, with the rabbi and the bulk of the members renaming their congregation Beth Hamedrash Hagadol. Rabbi Jacob Joseph, the first and only Chief Rabbi of New York City, led the congregation from 1888 to 1902 . The congregation's building, a Gothic Revival structure built in 1850 and purchased in 1885, was one of the largest synagogues on the Lower East Side, and was added to the National Register of Historic Places in 1999. In the late twentieth century the congregation dwindled and was unable to maintain the building, which had been damaged by storms. Despite funding and grants, the structure was critically endangered. As of 2008 the Lower East Side Conservancy was trying to raise an estimated $4.5 million for repairs, with the intent of converting it to an educational center. (Read more...)

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Biblical Hebrew is the archaic form of the Hebrew language, a Canaanite Semitic language spoken in the area known as Canaan between the Jordan River and the Mediterranean Sea. Biblical Hebrew is attested from about the 10th century BCE, and persisted through the Second Temple period (ending in 70 CE). Biblical Hebrew eventually developed into Mishnaic Hebrew, which was spoken until the 2nd century CE. Biblical Hebrew is best-attested in the Hebrew Bible, a document which reflects various stages of the Hebrew language in its consonantal skeleton, as well as a vocalic system which was added later, in the Middle Ages. There is also some evidence of regional dialectal variation, including differences between Biblical Hebrew as spoken in the northern Kingdom of Israel and in the southern Kingdom of Judah.

Biblical Hebrew has been written with a number of different writing systems. The Hebrews adopted the Phoenician script around the 12th century BCE, which developed into the Paleo-Hebrew script. This was retained by the Samaritans, who use the descendent Samaritan script to this day. However the Aramaic script gradually displaced the Paleo-Hebrew script for the Jews, and it became the source for the modern Hebrew alphabet. All of these scripts were lacking letters to represent all of the sounds of Biblical Hebrew, though these sounds are reflected in Greek and Latin transcriptions of the time. (Read more...)

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The Acra was a fortified compound in Jerusalem of the 2nd century BCE. Built by Antiochus Epiphanes, ruler of the Seleucid Empire, following his sack of the city in 168 BCE, the fortress played a significant role in the events surrounding the Maccabean Revolt and the formation of the Hasmonean Kingdom. It was destroyed by Simon Maccabeus during this struggle. The exact location of the Acra, critical to understanding Hellenistic Jerusalem, remains a matter of ongoing discussion. Historians and archaeologists have proposed various sites around Jerusalem, relying mainly on conclusions drawn from literary evidence. This approach began to change in the light of excavations which commenced in the late 1960s. New discoveries have prompted reassessments of the ancient literary sources, Jerusalem's geography and previously discovered artifacts. Yoram Tsafrir has interpreted a masonry joint in the southeastern corner of the Temple Mount platform as a clue to the Acra's possible position. During Benjamin Mazar's 1968 and 1978 excavations adjacent to the south wall of the Mount, features were uncovered which may have been connected with the Acra, including barrack-like rooms and a huge cistern. (Read more...)

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Kashrut is the set of Jewish dietary laws. Food that may be consumed according to halakha (Jewish law) is termed kosher. Among the numerous laws that form part of kashrut are the prohibitions on the consumption of unclean animals (such as pork, shellfish and most insects, with the exception of certain species of locusts), mixtures of meat and milk, and the commandment to slaughter mammals and birds according to a process known as shechita. There are also laws regarding agricultural produce. Most of these laws are derived from the Books of Leviticus and Deuteronomy. Their details and practical application, however, are set down in the Oral Torah (eventually codified in the Mishnah and Talmud) and elaborated on in the later rabbinical literature. While the Torah does not state the rationale for most kashrut laws, many reasons have been suggested, including philosophical, practical and hygienic. Presently, about a sixth of American Jews fully keep kosher, and many more abstain from some non-kosher foods, especially pork. Kashrut is also kept by some non-Jews, often for health reasons. (Read more...)

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David Lewis (1909–1981) was a Russian-born Canadian Rhodes Scholar, labour lawyer and social democratic politician. He was national secretary of the Co-operative Commonwealth Federation from 1936 to 1950. As the United Steelworkers of America’s legal counsel in Canada, he played a central role in the creation of the Canadian Labour Congress in 1956 and in the New Democratic Party (NDP)'s formation in 1961. In 1962, he was elected as a Member of Parliament. He was the NDP's leader from 1971 to 1975. After his defeat in the 1974 Canadian election, he retired from politics. He spent his last years as a university professor and a newspaper travel correspondent. In retirement, he was named to the highest level of the Order of Canada for his political service. After a lengthy battle with cancer, he died in 1981. (Read more...)

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Night is a work by Elie Wiesel (pictured) about his experience with his father in the Nazi concentration camps at Auschwitz and Buchenwald in 1944–1945. In just over 100 pages of a narrative described as devastating in its simplicity, Wiesel writes about the death of God and his own increasing disgust with humanity, reflected in the inversion of the father-child relationship as his father declines to a helpless state and Wiesel becomes his resentful caregiver. He was 16 years old when Buchenwald was liberated by the U.S. Army in April 1945, too late for his father who died in the camp after a beating. After some difficulty finding a publisher, Wiesel's work appeared in Yiddish in 1955 and French in 1958, and in September 1960 was published in English by Hill and Wang. Fifty years later it is regarded as one of the bedrocks of Holocaust literature. It is the first book in a trilogy—Night, Dawn, Day—marking Wiesel's transition from darkness to light, according to the Jewish tradition of beginning a new day at nightfall. "In Night," he said, "I wanted to show the end, the finality of the event. Everything came to an end—man, history, literature, religion, God. There was nothing left. And yet we begin again with night." (Read more...)

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Georg Cantor was a German mathematician. He is best known as the creator of set theory, which has become a foundational theory in mathematics. Cantor established the importance of one-to-one correspondence between sets, defined infinite and well-ordered sets, and proved that the real numbers are "more numerous" than the natural numbers. In fact, Cantor's theorem implies the existence of an "infinity of infinities". He defined the cardinal and ordinal numbers, and their arithmetic. Cantor's work is of great philosophical interest, a fact of which he was well aware. Cantor's theory of transfinite numbers was originally regarded as so counter-intuitive—even shocking—that it encountered resistance from mathematical contemporaries such as Leopold Kronecker and Henri Poincaré and later from Hermann Weyl and L.E.J. Brouwer, while Ludwig Wittgenstein raised philosophical objections. Christian theologians (particularly Neo-Thomists) saw Cantor's work as a challenge to the uniqueness of the absolute infinity in the nature of God, on one occasion equating the theory of transfinite numbers with pantheism. Cantor's recurring bouts of depression from 1884 to the end of his life were once blamed on the hostile attitude of many of his contemporaries, but these bouts can now be seen as probable manifestations of a bipolar disorder. (Read more...)