What hunger is in relation to food, zest is in relation to life.

Worry is a form of fear, and all forms of fear produce fatigue. A man who has learned not to feel fear will find the fatigue of daily life enormously diminished.

Look at me. Look at me is one of the fundamental desires of human heart.

You could live without the opera singer, but not without the services of the baker. On this ground you might say that the baker performs a greater service; but no lover of music would agree.

Much that passes as idealism is disguised hatred or disguised love of power.

The Eugenic Society . . . is perpetually bewailing the fact that wage-earners breed faster than middle-class people.

There have been poverty, pestilence, and famine, which were due to man's inadequate mastery of nature. There have been wars, oppressions and tortures which have been due to men's hostility to their fellow men.