Happiness in Judaism name "Hasidim" was coined, one of the names used to refer to the followers of the new movement was "di freilicha" (), “the happy ones.” The founder of Hasidism, Rabbi Yisroel Baal Shem Tov (1698–1760) is quoted as saying "In the eyes of the Hasidim, joy is considered a biblical commandment, a mitzvah." The Hasidic Rebbe, Rabbi Nachman of Breslov (1772–1810) would often say "It is a great mitzvah (commandment) to live in the state of happiness" ("mitzvah gedolah lihiyot b'simcha tamid", ). And Rabbi Aharon of Karlin (I), one of the early Hasidic masters, reportedly said, "There is no
City Congregation for Humanistic Judaism the Association of Humanistic Rabbis and is a member of the Editorial Board of the journal Humanistic Judaism. He also contributes the Humanistic perspective to Moment Magazine's "Ask the Rabbi" column. Among his writings are: "The Liberated Haggadah: A Passover Celebration for Cultural, Secular and Humanistic Jews" (The Center for Cultural Judaism, 2006), "The Guide for a Humanistic Bar/Bat Mitzvah" (The City Congregation for Humanistic Judaism, 2003), and "A Modern Lamentation: A Memorial to 9/11" (The City Congregation for Humanistic Judaism, Rosh Hashanah, 2002). Rabbi Schweitzer is also recognized for the major collection of Jewish Americana that he amassed over