It is not my prayer and humility that you cause things to go as you wish, but by acquiring a knowledge of natural laws.

It is a natural propensity to attribute misfortune to someone's malignity.

The degree of one's emotions varies inversely with one's knowledge of the facts - the less you know the hotter you get.

All that passes for knowledge can be arranged in a hierarchy of degrees of certainty, with arithmetic and the facts of perception at the top.

Happiness is not best achieved by those who seek it directly.

Conventional people are roused to fury by departure from convention, largely because they regard such departure as a criticism of themselves.

Most political leaders acquire their position by causing large numbers of people to believe that these leaders are actuated by altruistic desires