One of the troubles about vanity is that it grows with what it feeds on. The more you are talked about, the more you will wish to be talked about.

Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted.

Force plays a much larger part in the government of the world than it did before 1914, and what is especially alarming, force tends increasingly to fall into the hands of those who are enemies of civilization.

I think periods of browsing during which no occupation is imposed from without are important in youth because they give time for the formation of these apparently fugitive but really vital impressions.

It is preoccupation with possessions, more than anything else, that prevents us from living freely and nobly.

Frege has the merit of ... finding a third assertion by recognising the world of logic which is neither mental nor physical.

I remain convinced that obstinate addiction to ordinary language in our private thoughts is one of the main obstacles to progress in philosophy.