A whole page dedicated to some of his sayings!
Great spirits have always encountered violent opposition from mediocre minds.
Common sense is the collection of prejudices acquired by age eighteen.
He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice.
I am not only a pacifist but a militant pacifist. I am willing to fight for peace. Nothing will end war unless the people themselves refuse to go to war
If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed
If we knew what it was we were doing, it would not be called research, would it?
If you can't explain it simply, you don't understand it well enough.
Imagination is everything. It is the preview of life's coming attractions.
In order to be an immaculate member of a flock of sheep, one must above all be a sheep oneself.
It is a miracle that curiosity survives formal education.
It is my conviction that killing under the cloak of war is nothing but an act of murder.
Logic will get you from A to B. Imagination will take you everywhere.
Morality is of the highest importance - but for us, not for God.
Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.
Nationalism is an infantile disease. It is the measles of mankind.
Never do anything against conscience even if the state demands it.
No amount of experimentation can ever prove me right; a single experiment can prove me wrong.
Not everything that can be counted counts, and not everything that counts can be counted.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Peace cannot be kept by force; it can only be achieved by understanding.
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
Reality is merely an illusion, albeit a very persistent one.
The attempt to combine wisdom and power has only rarely been successful and then only for a short while.
The difference between stupidity and genius is that genius has its limits.
The hardest thing to understand in the world is the income tax.
The only reason for time is so that everything doesn't happen at once.
The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.
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.
The value of a man should be seen in what he gives and not in what he is able to receive.
The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.
When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.
Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods
You cannot simultaneously prevent and prepare for war.
A man should look for what is, and not for what he thinks should be.
A perfection of means, and confusion of aims, seems to be our main problem.
Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction.
Any man who can drive safely while kissing a pretty girl is simply not giving the kiss the attention it deserves.
Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either.
Anyone who has never made a mistake has never tried anything new.
Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions.