Human Nature is the only science of man; and yet has been hitherto the most neglected.

There is a very remarkable inclination in human nature to bestow on external objects the same emotions which it observes in itself, and to find every where those ideas which are most present to it.

Nature never appeals to intelligence until habit and instinct are useless. There is no intelligence where there is no need of change.

Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.

Human nature is not nearly as bad as it has been thought to be.

England has always been disinclined to accept human nature.