A person who never made a mistake never tried anything new.
Intellectuals solve problems; geniuses prevent them.
Science is a wonderful thing if one does not have to earn one’s living at it.
The hardest thing in the world to understand is the income tax.
I am convinced that He (God) does not play dice.
Reality is merely an illusion, albeit a very persistent one.
I never think of the future. It comes soon enough.
The only thing that interferes with my learning is my education.
Two things are infinite: the universe and human stupidity; and I’m not sure about the universe.
I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.
The value of a man resides in what he gives and not in what he is capable of receiving.
Science without religion is lame, religion without science is blind.
Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius— and a lot of courage— to move in the opposite direction.
As our circle of knowledge expands, so does the circumference of darkness surrounding it.
Before God we are all equally wise— and equally foolish.
Common sense is the collection of prejudices acquired by age eighteen.
Education is what remains after one has forgotten everything he learned in school.
Equations are more important to me, because politics is for the present, but an equation is something for eternity.
Gravitation cannot be held responsible for people falling in love.
I think that only daring speculation can lead us further and not accumulation of facts.
If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.
It has become appallingly obvious that our technology has exceeded our humanity.
It is harder to crack a prejudice than an atom.
Laws alone can not secure freedom of expression; in order that every man present his views without penalty there must be spirit of tolerance in the entire population.
Life is like riding a bicycle. To keep your balance you must keep moving.
Only a life lived for others is a life worthwhile.
Peace cannot be kept by force. It can only be achieved by understanding.
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 most incomprehensible thing about the world is that it is at all comprehensible.
Try not to become a man of success, but rather try to become a man of value.
It’s not that I’m so smart, it’s just that I stay with problems longer.
Truth is what stands the test of experience.
The only real valuable thing is intuition. The intellect has little to do on the road to discovery.
If we knew what we were doing, it wouldn’t be called research, would it?
Innovation is not the product of logical thought, even though the final product is tied to a logical structure.
Two things inspire me to awe: the starry heavens and the moral universe within.
I don’t pretend to understand the universe— it’s much bigger than I am.
Weakness of attitude becomes weakness of character.
The difference between genius and stupidity is that genius has its limits.
I love to travel, but hate to arrive.
The physicists say that I am a mathematician, and the mathematicians say that I am a physicist. I am a completely isolated man and though everybody knows me, there are very few people who really know me.
If my theory of relativity is proven correct, Germany will claim me as a German and France will say I am a man of the world. If it’s proven wrong, France will say I am a German and Germany will say I am a Jew.
The secret to creativity is knowing how to hide your sources。