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

You can never solve a problem on the level on which it was created.

Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Few are those who see with their own eyes and feel with their own hearts.

Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

We cannot despair of humanity, since we ourselves are human be

Everyone should be respected as an individual, but no one idolized.

He who can no longer pause to wonder and stand rapt in awe, is as good as dead; his eyes are closed.

Pure mathematics is, in its way, the poetry of logical ideas.

The distinction between the past, present and future is only a stubbornly persistent illusion.

A question that sometimes drives me hazy: am I or are the others crazy?

Everything should be made as simple as possible, but not simpler.

Nationalism is an infantile disease. It is the measles of mankind.

There are two ways to live: you can live as if nothing is a miracle; you can live as if everything is a miracle.

The important thing is not to stop questioning. Curiosity has its own reason for existing.

Once we accept our limits, we go beyond them.

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

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

If we knew what it was we were doing, it would not be called research, would it?

Peace cannot be kept by force; it can only be achieved by understanding.

Reality is merely an illusion, albeit a very persistent one.

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

No problem can be solved from the same level of consciousness that created it.

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

We can't solve problems by using the same kind of thinking we used when we created them.

Logic will get you from A to B. Imagination will take you everywhere.

A person who never made a mistake never tried anything new.

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