We cannot despair of humanity, since we ourselves are human beings.

A man's value to the community primarily depends on how far his feelings, thoughts, and actions are directed towards promoting the good of his fellows.

I agree with your remark about loving your enemy as far as actions are concerned. But for me the cognitive basis is the trust in an unrestricted causality. 'I cannot hate him, because he must do what he does.' That means for me more Spinoza than the prophets.

We must dedicate our lives to drying up the source of war: ammunition factories.

The importance of a problem should not be judged by the number of pages devoted to it.

Imagination is vastly more important than intelligence.

Nothing truly valuable arises from ambition or from a mere sense of duty; it stems rather from love and devotion towards men and towards objective things.