There is no excuse for deceiving children. And when, as must happen in conventional families, they find that their parents have lied, they lose confidence in them and feel justified in lying to them.

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

Only in thought is man a God; in action and desire we are the slaves of circumstance.

Happiness, as is evident, depends partly upon external circumstances and partly upon oneself.

Obscenity is whatever happens to shock some elderly and ignorant magistrate.

All that passes for knowledge can be arranged in a hierarchy of degrees of certainty, with arithmetic and the facts of perception at the top.

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.