History is just new people making old mistakes.

No neurotic harbors thoughts of suicide which are not murderous impulses against others redirected upon himself.

I consider it a good rule for letter-writing to leave unmentioned what the recipient already knows, and instead tell him something new.

Immorality, no less than morality, has at all times found support in religion.

If you can't do it, give up!

The very emphasis of the commandment: Thou shalt not kill, makes it certain that we are descended from an endlessly long chain of generations of murderers, whose love of murder was in their blood as it is perhaps also in ours.

The unconscious of one human being can react upon that of another without passing through the conscious.