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.

Nature conceals her secrets because she is sublime, not because she is a trickster.

The mathematician knows some things, no doubt, but not those things one usually wants to get from him.

The only real valuable thing is intuition. The intellect has little to do on the road to discovery

Anybody who really wants to abolish war must resolutely declare himself in favor of his own country's resigning a portion of sovereignty in place of international institutions.

For the most part we humans live with the false impression of security and a feeling of being at home in a seemingly familiar and trustworthily physical and human environment. But when the expected course of everyday life is interrupted, we realize that we are like shipwrecked people trying to keep their balance on a miserable plank in the open sea, having forgotten where they came from and not knowing whether they are drifting. But once we fully accept this, life becomes easier and there is no longer any disappointment.

The question that drives me hazy is whether it is I or others who is crazy.