In ordinary speech the words perception and sensation tend to be used interchangeably, but the psychologist distinguishes. Sensations are the items of consciousness--a color, a weight, a texture--that we tend to think of as simple and single. Perceptions are complex affairs that embrace sensation together with other, associated or revived contents of the mind, including emotions.

You never step in the same river of thought twice, because neither you nor it are the same.

The ascetic is often a sensualist who has reached the limit of his capacity.

Since in every European country between 1870 and 1914 there was a war party demanding armaments, an individualist party demanding ruthless competition, an imperialist party demanding a free hand over backward peoples, a socialist party demanding the conquest of power and a racialist party demanding internal purges against aliens - all of them, when appeals to greed and glory failed, invoked Spencer and Darwin, which was to say science incarnate.

Simple English is no one’s mother tongue. It has to be worked for.

To watch a football game is to be in a prolonged neurotic doubt as to what you're seeing. It's more like an emergency happening at a distance than a game. I don't wonder the spectators take to drink.

To delve into history entails, besides the grievance of hard work, the danger that in the depths one may lose one’s scapegoats.