Never lose a holy curiosity.

Desire for approval and recognition is a healthy motive, but the desire to be acknowledged as better, stronger or more intelligent than a fellow being or fellow scholar easily leads to an excessively egoistic psychological...

It was, of course, a lie what you read about my religious convictions, a lie which is being systematically repeated. I do not believe in a personal God and I have never denied this but...

Something deeply hidden had to be behind things.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

It is this mythical, or rather symbolic, content of the religious traditions which is likely to come into conflict with science. This occurs whenever this religious stock of ideas contains dogmatically fixed statements on subjects...

The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking.

The framing of a problem is often far more essential than its solution

A true genius admits that he/she knows nothing.

As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.

The value of achievement lies in the achieving.

I cannot conceive of a personal God who would directly influence the actions of individuals, or would directly sit in judgment on creatures of his own creation. I cannot do this in spite of the...

The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches

The search for truth is more precious than its possession.

Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.

The thinking that we are has brought us to where we have already been.In order to go somewhere else, we must think in a different way.

We cannot solve our problems with the same thinking we used when we created them.

Whoever undertakes to set himself up as judge in the field of truth and knowledge is shipwrecked by the laughter of the Gods.

During the last century, and part of the one before, it was widely held that there was an unreconcilable conflict between knowledge and belief. The opinion prevailed amoung advanced minds that it was time that...

Physical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world.

Man usually avoids attributing cleverness to somebody else unless it is an enemy.

We come now to the question: what is a priori certain or necessary, respectively in geometry (doctrine of space) or its foundations? Formerly we thought everything; nowadays we think nothing. Already the distance-concept is logically...

You teach me baseball and I’ll teach you relativity. No, we must not. You will learn about relativity faster than I learn baseball.

So long as there are men there will be wars. So long as there are men there will be wars.

If men as individuals surrender to the call of their elementary instincts, avoiding pain and seeking satisfaction only for their own selves, the result for them all taken together must be a state of insecurity,...

The ideas that have lighted my way and, time after time, have given me new courage to face life cheerfully have been Kindness, Beauty, and Truth.

For those of us who believe in physics, this separation between past, present and future is only an illusion, however tenacious.

Creativity is knowing how to hide your sources

Small is the number of them that see with their own eyes and feel with their own hearts.

If at first the idea is not absurd, then there is no hope for it.

I love Humanity but I hate humans

I gang my own gait and have never belonged to my country, my home, my friends, or even my immediate family, with my whole heart; in the face of all these ties I have never...

If it isn’t urgent, worry about it later

If you don’t have time to do it right, when will you have time to do it over?

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

How I wish that somewhere there existed an island for those who are wise and of good will

Too many of us look upon Americans as dollar chasers. This is a cruel libel, even if it is reiterated thoughtlessly by the Americans themselves.

It may affront the military-minded person to suggest a regime that does not maintain any military secrets.

Scientists investigate that which already is;Engineers create that which has never been.’

How vile and despicable war seems to me! I would rather be hacked to pieces than take part in such an abominable business.

When the solution is simple, God is answering.

It is the theory that decides what can be observed

Many of the things you can count, don’t count. Many of the things you can’t count, really count.

One strength of the communist system of the East is that it has some of the character of a religion and inspires the emotions of a religion.

I want to know God’s thoughts… the rest are details

The significant problems we face cannot be solved at the same level of thinking we were at when we created them.

God is subtle, but He is not malicious. I cannot believe that God plays dice with the world.

In order to be an immaculate member of a flock of sheep, one must above all be a sheep oneself.

On the other hand, the concept owes its meaning and its justification exclusively to the totality of the sense impressions which we associate with it.

If A equals success, then the formula is: A = X + Y + Z, X is work. Y is play. Z is keep your mouth shut