Talmud Hebrew and Jewish Babylonian Aramaic and contains the teachings and opinions of thousands of rabbis (dating from before the Common Era through to the fifth century) on a variety of subjects, including "halakha", Jewish ethics, philosophy, customs, history, lore and many other topics. The Talmud is the basis for all codes of Jewish law, and is widely quoted in rabbinic literature. Talmud translates as "instruction, learning", from a root " "teach, study". Originally, Jewish scholarship was oral. Rabbis expounded and debated the Torah (the written Torah expressed in the Hebrew Bible) and discussed the Tanakh without the benefit of written
Revival of the Hebrew language Hebrew was used not only in written form but also as an articulated language, in synagogues and in batei midrash. Thus, Hebrew phonology and the pronunciation of vowels and consonants were preserved. Despite this, regional influences of other languages caused many changes, leading to the development of different forms of pronunciation: Within each of these groups, there also existed different subsets of pronunciation. For example, differences existed between the Hebrew used by Polish Jewry and that of Lithuanian Jewry and of German Jewry. In the fifty years preceding the start of the revival process, a version of spoken Hebrew already