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

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

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.

All along we find that social life - religion, politics, art - reflects the stages reached in the development of the knowledge of self; it shows the social uses made of this knowledge.

The prehistorical and primitive period represents the true infancy of the mind.

Pythagoras took the next important step by subordinating the mere matter of nature to its essential principle of form and order, identifying the latter with reason or the soul.