Psychology more than any other science has had its pseudo-scientific no less than its scientific period.

The dualism itself becomes a sort of presupposition or datum; its terms condition the further problem.

The fact that tradition hinders the individual savage from thinking logically by no means proves that he cannot think logically.

Plato stands for the union of truth and goodness in the supreme idea of God.

Heredity provides for the modification of its own machinery.

In the first place, Descartes stands for the most explicit and uncompromising dualism between mind and matter.

The development of the meaning attaching to the personal self, the conscious being, is the subject matter of the history of psychology.