The remarkable thing about the human mind is its range of limitations.

It is easier to study the 'behavior' of rats than people, because rats are smaller and have fewer outside commitments. So modern psychology is mostly about rats

The chief difficulty of modern theoretical physics resides not in the fact that it expresses itself almost exclusively in mathematical symbols, but in the psychological difficulty of supposing that complete nonsense can be seriously promulgated and transmitted by persons who have sufficient intelligence of some kind to perform operations in differential and integral calculus.

Physics has never been a comfortable subject for human psychology. The desire to regard everything outside the human race's purview as insignificant, and everything within that purview as firmly under the control of tribal myth and custom, is as strong today as it was in the time of Galileo.

The way to do research is to attack the facts at the point of greatest astonishment.

Research is a way of taking calculated risks to bring about incalculable consequences.

In an autocracy, one person has his way; in an aristocracy, a few people have their way; in a democracy, no one has his way.