The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

Our task must be to free ourselves by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty.

I believe that a simple and unassuming manner of life is best for everyone, best both for the body and the mind.

The hardest thing to understand in the world is the income tax.

If the facts don't fit the theory, change the facts.

The fear of death is the most unjustified of all fears, for there's no risk of accident for someone who's dead.

Intellectual growth should commence at birth and cease only at death.

The only thing that interferes with my learning is my education.

Education is what remains after one has forgotten what one has learned in school.

It is a miracle that curiosity survives formal education.