I think we have to safeguard ourselves against people who are a menace to others, quite apart from what may have motivated their deeds.

Strenuous intellectual work and the study of God's Nature are the angels that will lead me through all the troubles of this life with consolation, strength, and uncompromising rigor.

Blind belief in authority is the greatest enemy of truth.

Each act is an island in time, to be judged on its own.

Imagination is greater than knowledge.

If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.

It would be my greatest sadness to see Zionists (Jews) do to Palestinian Arabs much of what Nazis did to Jews.