It has always been desirable to tell the truth, but seldom if ever necessary.

He has only half learned the art of reading who has not added to it the more refined art of skipping and skimming.

The power of authority is never more subtle and effective than when it produces a psychological atmosphere or climate favorable to the life of certain modes of belief, unfavorable, and even fatal, to the life of others.

Enthusiasm moves the world.

The General Strike has taught the working class more in four days than years of talking could have done.

But science is the great instrument of social change, all the greater because its object is not change but knowledge, and its silent appropriation of this dominant function, amid the din of political and religious strife, is the most vital of all the revolutions which have marked the development of modern civilisation.

Biography should be written by an acute enemy.