Of all the knowledge, that most worth having is knowledge about health! The first requisite of a good life is to be a healthy person.

The society exists for the benefit of its members; not its members for the benefit of the society.

This survival of the fittest implies multiplication of the fittest.

To play billiards well was a sign of an ill-spent youth

Religion has been compelled by science to give up one after another of its dogmas. . . .

Conservatism defends those coercive arrangements which a still-lingering savageness makes requisite. Radicalism endeavours to realize a state more in harmony with the character of the ideal man.

No phrase can convey the idea of surprise so vividly as opening the eyes and raising the eyebrows. A shrug of the shoulders would lose much by translation into words.