The mere formulation of a problem is far more essential than its solution, which may be merely a matter of mathematical or experimental skills. To raise new questions, new possibilities, to regard old problems from...

A hundred times every day I remind myself that my inner and outer life are based on the labors of others.

Perfection of means and confusion of ends seem to characterize our age

Academic chairs are many, but wise and noble teachers are few; lecture-rooms are numerous and large, but the number of young people who genuinely thirst after truth and justice is small.

As long as there are sovereign nations possessing great power, war is inevitable.

Neither can I believe that the individual survives the death of his body, although feeble souls harbor such thoughts through fear or ridiculous egotisms

Nothing truly valuable arises from ambition or from a mere sense of duty; it stems rather from love and devotion towards men and towards objective things.

A man should look for what is, and not for what he thinks should be.

God does not play dice.

The distinction between past, present and future is an illusion, but a very persistent one.

Love is a better master than duty.

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

I don’t try to imagine a personal God; it suffices to stand in awe at the structure of the world, insofar as it allows our inadequate senses to appreciate it.

There can be no positiveresult through negativeattitude. Think positive. Live positive.

Hope that justice will be done to those brave men who stood up for their convictions.

Imagination ist alles. Es ist die vorschau des lebens auf die kommenden attraktionen.

For an idea that does not first seem insane, there is no hope.

I don’t know what weapons will be used in world war three, but in world war four people will use sticks and stones.

Nature hides her secrets because of her essential loftiness, but not by means of ruse.

The analogy I like is this: imagine being able to see the world but you are deaf, and then suddenly someone gives you the ability to hear things as well – you get an extra...

If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed.

After a certain high level of technical skill is achieved, science and art tend to coalesce in esthetics, plasticity, and form. The greatest scientists are always artists as well.

But their intervention makes our acts to serve ever less merely the immediate claims of our instincts.

I cannot believe that God plays dice with the cosmos

Politics is far more complicated than physics.

The real problem is in the hearts and minds of men. It is easier to denature plutonium than to denature the evil spirit of man.

Where the world ceases to be the scene of our personal hopes and wishes, where we face it as free beings admiring, asking and observing, there we enter the realm of Art and Science

On the big Bang theory: For every one billion particles of antimatter there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained – and that’s our...

I feel that you are justified in looking into the future with true assurance, because you have a mode of living in which we find the joy of life and the joy of work harmoniously...

The truth of a theory is in your mind, not in your eyes.

Our death is not an end if we can live on in our children and the younger generation. For they are us, our bodies are only wilted leaves on the tree of life.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man’s insecurity before himself and before nature.

We found there were people doing acupuncture, meditation, naturopathy and other forms of alternative or complementary medicine … but it was being done in a disorganized way,

To the Master’s honor all must turn, each in its track, without a sound, forever tracing Newton’s ground.

Even on the most solemn occasions I got away without wearing socks and hid that lack of civilization in high boots

The right to search for the truth implies also a duty; one must not conceal any part of what one has recognized to be the truth.

Curiosity is more important than knowledge.

All of us who are concerned for peace and triumph of reason and justice must be keenly aware how small an influence reason and honest good will exert upon events in the political field.

When we first got married, we made a pact. It was this: In our life together, it was decided I would make all of the big decisions and my wife would make all of the...

I prefer to make up my own quotes and attribute them to very smart people, so that I can use them to win arguments

If you can’t explain it to a six year old, you don’t understand it yourself.

It’s not that I’m so smart, it’s just that I stay with problems longer.

A human being is part of a whole, called by us the Universe, a part limited in time and space. He experiences himself, his thoughts and feelings, as something separated from the rest a kind...

When a man sits with a pretty girl for an hour, it seems like a minute. But let him sit on a hot stove for a minute-and it’s longer than any hour. That’s relativity.

Bear in mind that the wonderful things you learn in your schools are the work of many generations. All this is put in your hands as your inheritance in order that you may receive it,...

Don’t listen to their words, fix your attention on their deeds.

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

Love is a better teacher than duty.

The human mind has first to construct forms, independently, before we can find them in things.

Human beings must have action; and they will make it if they cannot find it.