In the revolt against idealism, the ambiguities of the word experience have been perceived, with the result that realists have more and more avoided the word.

Not to be absolutely certain is, I think, one of the essential things in rationality.

The true spirit of delight...is to be found in mathematics as surely as in poetry.

The secrets to happiness include enterprise, exploration of one's interests and the overcoming of obstacles.

I think the subject which will be of most importance politically is Mass Psychology... Its importance has been enormously increased by the growth of modern methods of propaganda. Although this science will be diligently studied, it will be rigidly confined to the governing class. The populace will not be allowed to know how its convictions are generated.

Every philosophical problem, when it is subjected to the necessary analysis and justification, is found either to be not really philosophical at all, or else to be, in the sense in which we are using the word, logical.

No matter how eloquently a dog may bark, he cannot tell you that his parents were poor, but honest.