Why is it I always get my best ideas while shaving?

It's very depressing to live in a time where it's easier to break an atom than a prejudice.

A knowledge of the existence of something we cannot penetrate, of the manifestations of the profoundest reason and the most radiant beauty - it is this knowledge and this emotion that constitute the truly religious attitude; in this sense, and in this alone, I am a deeply religious man.

I get the most joy in life out of music.

The economists will have to revise their theories of value.

People like you and I, though mortal of course like everyone else, do not grow old no matter how long we live.

The world we have created is a product of our thinking; it cannot be changed without changing our thinking. If we want to change the world we have to change our thinking...no problem can be solved from the same consciousness that created it. We must learn to see the world anew.