We often think we express negative emotions, not because we cannot help it, but because we should express them.

In existing criminology there are concepts: a criminal man, a criminal profession, a criminal society, a criminal sect, and a criminal tribe, but there is no concept of a criminal state, or a criminal government, or criminal legislation. Consequently what is often regarded as "political" activity is in fact a criminal activity.

I have become so accustomed to think "scientifically" that I am afraid even to imagine that there may be something else beyond the outer covering of life. I feel like a man condemned to death, whose companions have been hanged and who has already become reconciled to the thought that the same fate awaits him.

A symbol may serve to transfer our intuitions and to suggest new ones only so long as its meaning is not defined.

Most people can accept the truth only in the form of a lie.

The strangest and most fantastic fact about negative emotions is that people actually worship them.

Psychology is sometimes called a new science. This is quite wrong. Psychology is, perhaps, the oldest science, and, unfortunately, in its most essential features a forgotten science.