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 psychology of committees is a special case of the psychology of mobs.

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.

It is curious that while one's education is the part of one's life over the conditions of which one has least individual control, the results of it are held to brand one irrevocably.

The charms of money are distinctly under-represented in literature. There are no songs or poems extolling its virtues. This seems on the face of it strange. The claims of money to be celebrated in verse might well seem to be no less than those of faithful dogs, beautiful women, or jugs of wine.

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