One of the greatest superstitions of our time is the belief that it has none.

The human race's favorite method for being in control of facts is to ignore them.

A narrow mind and a wide mouth usually go together.

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

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

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.