So in everything: power lies with those who control finance, not with those who know the matter upon which the money is to be spent. Thus, the holders of power are, in general, ignorant and malevolent, and the less they exercise their power the better.

Too little liberty brings stagnation, and too much brings chaos.

To be happy in this world, especially when youth is past, it is necessary to feel oneself not merely an isolated individual whose day will soon be over, but part of the stream of life flowing on from the first germ to the remote and unknown future.

Our individual life is brief, and perhaps the whole life of mankind will be brief if measured in astronomical scale

The most essential characteristic of scientific technique is that it proceeds from experiment, not from tradition. The experimental habit of mind is a difficult one for most people to maintain; indeed, the science of one generation has already become the tradition of the next

The fundamental defect of fathers, in our competitive society, is that they want their children to be a credit to them.

There lies before us, if we choose, continual progress in happiness, knowledge and wisdom. Shall we instead choose death, because we cannot forget our quarrels? I appeal as a human being to human beings; remember your humanity, and forget the rest.