Abraham Joshua Heschel was a Polish-born American rabbi and one of the leading Jewish theologians and Jewish philosophers of the 20th century. Heschel, a professor of Jewish mysticism at the Jewish Theological Seminary of America, authored a number of widely read books on Jewish philosophy and was active in the American Civil Rights movement.
Wonder rather than doubt is the root of all knowledge.
Worship is a way of seeing the world in the light of God.
Man's sin is in his failure to live what he is. Being the master of the earth, man forgets that he is the servant of God.
Self-respect is the fruit of discipline the sense of dignity grows with the ability to say no to oneself.