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

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

The reason of the close concurrence between the individuals progress and that of the race appears, therefore, when we remember the dependence of each upon the other.

Feeling is the consciousness of the resulting conditions - of success, failure, equilibrium, compromise or balance, in this continuous rivalry of ideas.

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

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

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