Try not to become a man of success but rather try to become a man of value.
Bureaucracy is the death of all sound work.
The true sign of intelligence is not knowledge but imagination.
Relativity applies to physics, not ethics.
I sometimes ask myself how it came about that I was the one to develop the theory of relativity. The reason, I think, is that a normal adult never stops to think about problems of space and time. These are things which he has thought about as a child.
Man usually avoids attributing cleverness to somebody else unless it is an enemy.
I used to go away for weeks in a state of confusion.
Dancers are the athletes of God.
The intellect has little to do on the road to discovery. There comes a leap in consciousness, call it intuition or what you will, and the solution comes to you and you don’t know how or why.
By academic freedom I understand the right to search for truth and to publish and teach what one holds to be true. This right implies also a duty: one must not conceal any part of what one has recognized to be true. It is evident that any restriction.
Setting an example is not the main means of influencing another, it is the only means.
The only real valuable thing is intuition.
The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.
Common sense is the collection of prejudices acquired by age eighteen.
The important thing is not to stop questioning. Curiosity has its own reason for existing.
Imagination is more important than knowledge, for knowledge is limited while imagination embraces the entire world.
The secret to creativity is knowing how to hide your sources.
Most people say that is it is the intellect which makes a great scientist. They are wrong: it is character.
Never do anything against conscience even if the state demands it.
Nationalism is an infantile sickness. It is the measles of the human race.
The high destiny of the individual is to serve rather than to rule.
Since the mathematicians have invaded the theory of relativity, I do not understand it myself anymore.
When the solution is simple, God is answering.
The value of a man resides in what he gives and not in what he is capable of receiving.
The definition of insanity is doing the same thing over and over again and expecting a different result.
Pure mathematics is, in its way, the poetry of logical ideas.
Scientists investigate that which already is; engineers create that which has never been.
The difference between what the most and the least learned people know is inexpressibly trivial in relation to that which is unknown.
Everything should be made as simple as possible, but not simpler.
Before God we are all equally wise – and equally foolish.
I never think of the future – it comes soon enough.
If we knew what we were doing, it wouldn’t be called research, would it?
In the middle of difficulty lies opportunity.
It is a miracle that curiosity survives formal education.
Science without religion is lame, religion without science is blind.
A man sits with a pretty girl for an hour, it seems like a minute. He sits on a hot stove for a minute, it’s longer than any hour. That is relativity.