The first step in wisdom, as well as in morality, is to open the windows of the ego as wide as possible.

Our great democracies still tend to think that a stupid man is more likely to be honest than a clever man, and our politicians take advantage of this prejudice by pretending to be even more stupid than nature has made them.

Dr. Arnold . . . the admired reformer of public schools, came across some cranks who thought it a mistake to flog boys. Anyone reading his outburst of furious indignation against this opinion will be forced to the conclusion that he enjoyed inflicting floggings.

The fundamental concept in social science is Power, in the same sense in which Energy is the fundamental concept in physics.

I am paid by the word, so I always write the shortest words possible.

You are a wicked motorcar, and I shall not give you any more petrol until you go.

Answering questions is a major part of sex education. Two rules cover the ground. First, always give a truthful answer to a question; secondly, regard sex knowledge as exactly like any other knowledge.