If we couldn't laugh at ourselves, that would be the end of everything.

Einstein, stop telling God what to do!

Nothing exists until it is measured.

It is, indeed, perhaps the greatest prospect of humanistic studies to contribute through an increasing knowledge of the history of cultural development to that gradual removal of prejudices which is the common aim of all science.

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

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

Anyone who can contemplate quantum mechanics without getting dizzy hasn't understood it.