When I examine myself and my methods of thought, I come to the conclusion that the gift of fantasy has meant more to me than my talent for absorbing positive knowledge.

I know quite certainly that I myself have no special talent; curiosity, obsession and dogged endurance, combined with self-criticism have brought me to my ideas.

A hundred times every day I remind myself that my inner and outer life depend on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving.

Imagination is more important than knowledge, for knowledge is limited while imagination embraces the entire world.

Nothing will benefit human health and increase the chances for survival of life on Earth as much as the evolution to a vegetarian diet.

The faster you go, the shorter you are.

Science without religion is lame, religion without science is blind.

Nearly every great advance in science arises from a crises in the old theory, through an endeavor to find a way out of the difficulties created. We must examine old ideas, old theories, although they belong to the past, for this is the only way to understand the importance of the new ones and the extent of their validity.

It is the theory that decides what can be observed.

The world we have made as a result of the level of thinking we have done this far creates problems that we cannot solve at the same level at which we created them.

Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That's relativity.

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 secret to creativity is knowing how to hide your sources.

To stimulate creativity, one must develop the childlike inclination for play and the childlike desire for recognition.

How on earth are you ever going to explain in terms of chemistry and physics so important a biological phenomenon as first love?

The distinction between past, present, and future is only a stubbornly persistent illusion.

Few are those who see with their own eyes and feel with their own hearts.

I do not know with what weapons World War 3 will be fought, but World War 4 will be fought with sticks and stones.

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.

It is easier to denature plutonium than to denature the evil spirit of man.