Knowledge of human nature is the beginning and end of political education.

It is impossible to underrate human intelligence - beginning with one's own.

“One can only describe the human but can never define it because humans are complex in their nature.”

One can only describe the human but can never define it because humans are complex in their nature.

Criminality is a basic part of human nature.

The best indication of what human beings will do is not what they think, but what the record says similar groups have done in the past.