If you can’t explain it simply, you don’t understand it well enough.

Only a life lived for others is a life worthwhile.

Imagination is more important than knowledge.

The important thing is not to stop questioning; curiosity has its own reason for existing.

I have no special talents. I am only passionately curious.

Everything that is really great and inspiring is created by the individual who can labor in freedom.

The true value of a human being is determined primarily by the measure and the sense in which he has attained liberation from the self.

A happy man is too satisfied with the present to dwell too much on the future.

Where there is love, there is no imposition.

We must inoculate our children against militarism, by educating them in the spirit of pacifism... Our schoolbooks glorify war and conceal its horrors. They indoctrinate children with hatred. I would teach peace rather than war, love rather than hate.