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.

Thinking you know when in fact you don't is a fatal mistake, to which we are all prone

There have been poverty, pestilence, and famine, which were due to man's inadequate mastery of nature. There have been wars, oppressions and tortures which have been due to men's hostility to their fellow men.

A marriage is likely to be called happy if neither party ever expected to get much happiness out of it.

There is much pleasure to be gained from useless knowledge.

To be without some of the things you want is an indispensable part of happiness.

The discipline in your life should be one determined by your own desires and your own needs, not put upon you by society or authority.