Don't do anything that goes against your conscience, even if your country says so.

Happiness, as a pursuit, is suitable only for pigs.

I believe that whoever tries to think things through honestly will soon recognize how unworthy and even fatal is the traditional bias against Negroes. What can the man of good will do to combat this deeply rooted prejudice? He must have the courage to set an example by words and deed, and must watch lest his children become influenced by racial bias.

I am not a Jew in the sense that I would demand the preservation of the Jewish or any other nationality as an end in itself. Rather, I see Jewish nationality as a fact and I believe that every Jew must draw the consequences from this fact.

Matter is spirit reduced to point of visibility.

The world is an evil place to live in. Not for those who do evil, but for those who sit back and allow evil to occur.

New frameworks are like climbing a mountain - the larger view encompasses rather than rejects the more restricted view.