“It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we say about nature.”

Every sentence I utter must be understood not as an affirmation, but as a question.

If quantum mechanics hasn’t profoundly shocked you, you haven’t understood it yet.

All rising curves that show unwelcome trends in human affairs will approach infinity if extended far enough, but it is we who dictate the curve and not vice versa.

Isolated material particles are abstractions, their properties being definable and observable only through their interaction with other systems .

When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.

Some things are so serious, they can only be joked about.

When searching for harmony in life one must never forget that in the drama of existence we are ourselves both actors and spectators.

Of course I don’t believe in it pointing to horseshoe on his office wall. But I understand that it brings you luck whether you believe in it or not.

An independant reality in the ordinary physical sense can neither be ascribed to the phenomenon nor to the agencies of observation.

A physicist is just an atom’s way of looking at itself.

Your theory is crazy, but it’s not crazy enough to be true.

A deep truth is a truth so deep that not only is it true but it’s exact opposite is also true.

Accuracy and clarity of statement are mutually exclusive.

Never express yourself more clearly than you are able to think.

Our task is not to penetrate the essence of things, the meaning of which we do not know anyway, but rather to develop concepts which allow us to talk in a productive way about phenomena in nature

The opposite of every great idea is another great idea.

Every bit of learning is a little death. Every bit of new information challenges a previous conception, forcing it to dissolve into chaos before it can be reborn as something better. Sometimes such deaths virtually destroy us.

It is a true proverb, that if you live with a lame man, you will learn to limp.

If a child has not been taught to behave properly by the age of four, it will forever be difficult for him or her to make friends.

All your questions can be answered if that is what you want. But once you learn your answers, you can never unlearn them.

Learn to love all the differences learn to appreciate everyone’s essence.

The hardest thing to learn in life is which bridge to cross and which to burn.

Philosophy, from the earliest times, has made greater claims, and achieved fewer results, than any other branch of learning.

If you’re twenty-two, physically fit, hungry to learn and be better, I urge you to travel – as far and as widely as possible. Sleep on floors if you have to. Find out how other people live and eat and cook. Learn from them – wherever you go.