No one's happiness but my own is in my power to achieve or to destroy.

The meaning ascribed in popular usage to the word 'selfishness' is not merely wrong: it represents a devastating intellectual 'package-deal,' which is responsible, more than any other single factor, for the arrested moral development of mankind.

The purpose of morality is to teach you, not to suffer and die, but to enjoy yourself and live.

Money demands that you sell, not your weakness to men's stupidity, but your talent to their reason.

Volumes can be and have been written about the issue of freedom versus dictatorship, but, in essence, it comes down to a single question: do you consider it moral to treat men as sacrificial animals and to rule them by physical force?

I guard my treasures: my thoughts, my will, my freedom. And the greatest of these is freedom.

Ideas, in a free society, are not a crime- and neither can they serve as the justification of a crime.