You ask me if I keep a notebook to record my great ideas. I've only ever had one.

You can't blame gravity for falling in love.

True art is characterized by an irresistible urge in the creative artist.

The monotony and solitude of a quiet life stimulates the creative mind.

I do not believe that civilization will be wiped out in a war fought with the atomic bomb. Perhaps two-thirds of the people of the earth will be killed.

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

There is no logical way to the discovery of these elemental laws. There is only the way of intuition, which is helped by a feeling for the order lying behind the appearance.

Let every man be respected as an individual and no man idolized.

Knowledge of what is does not open the door directly to what should be.

God may be subtle, but he isn't plain mean.

I used to go away for weeks in a state of confusion.

The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.

The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.

Not everything that can be counted counts, and not everything that counts can be counted.

Never do anything against conscience even if the state demands it.

The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms.

It should be possible to explain the laws of physics to a barmaid.

The only real valuable thing is intuition.

Morality is of the highest importance - but for us, not for God.

It is strange to be known so universally and yet to be so lonely.