Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.
It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we say about nature.
Physics is the belief that a simple and consistent description of nature is possible.
Accuracy and clarity of statement are mutually exclusive.
Truth and clarity are complementary.
Every sentence I utter must be understood not as an affirmation, but as a question.