Introduction to the History of Religions

It appears probable that primitive men endowed with their own qualities every seemingly active object in the world. Experience forced them to take note of the relations of all objects to themselves and to one another. The knowledge of the sequences of phenomena, so far as the latter are not regarded as acting intentionally on him, constitutes man's science and philosophy; so far as they are held to act on him intentionally, the knowledge of them constitutes his theory of religion, and his sense of relation with them is his religious sentiment. Science and religion are coeval in man's history, and both are independently continuous and progressive...