"Do not be satisfied with the speech of your lips and the thought in your heart, all the promises and good sayings in …"

"When a man makes a reverent face before a face that is no face — that is idol worship!"

"If I am I because I am I, and you are you because you are you, then I am I and you are you. But if I am I because you…"

"Everything must be done Lesheim Shamayim (for the sake of Heaven), even [actions done] Lesheim Shamayim."

"First, a man is created in his own image, and only afterwards in the image of God."

"All that is thought should not be said, all that is said should not be written, all that is written should not be pub…"

"People are accustomed to look at the heavens and to wonder what happens there. It would be better if they would look …"

"It was in the damp, dark sweatshops of New York where I learned to sing of oppression, suffering and misery. During t…"

"The machines in the shop roar so wildly that often I forget in the roar that I am; I am lost in the terrible tumult, …"

"The tick of the clock is the Boss in his anger! The face of the clock has the eyes of a foe; The clock—Oh, I shudder—…"