No one can read the _Second Treatise_ without perceiving that Locke looked upon the State as a machine which can be built and taken to pieces in very simple fashion.

Herein, undoubtedly, he over-simplified the problem; and that made him miss some of the cardinal points a true psychology of the State must seize.

His very contractualism, indeed, is part of this affection for the rational.

It resulted in his failure to perceive how complex is the mass of motives imbedded in the political act.

The significance of herd instinct and the vast primitive deeps of the unconscious were alike hidden from him.