“There are trivial truths and the great truths. The opposite of a trivial truth is plainly false. The opposite of a great truth is also true.”

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.

To say that behaviors have different ‘meanings’ is only another way of saying that they are controlled by different variables.

To say that behaviors have different ‘meanings’ is only another way of saying that they are controlled by different variables.

To say that behaviors have different ‘meanings’ is only another way of saying that they are controlled by different variables.

Dignity is a matter which concerns only mankind.

Dignity is a matter which concerns only mankind.

Dignity is a matter which concerns only mankind.

But time, it is like charm. You never have as much as you think.

But time, it is like charm. You never have as much as you think.