As long as children and young men and women find pleasure in study, they will continue studying throughout life - and upon that depends their happiness.

You don't get rich writing science fiction. If you want to get rich, you start a religion.

There were very, very large sums of money that I made when I was very young - 15 million published works and a great many successful movies don't make nothin'.

Inaction and indecision in the present is because of fear of consequences of the future.

The man who has his ideals, no matter how thoroughly he may be persuaded to desert them, survives well only so long as he is true to those ideals.

Furthermore, [Sigmund Freud] had a racial fixation on sex, a fixation sufficiently pronounced to cause it to infect contagiously all modern European stock.

It is in your power to point the way to a less dangerous and happier life.