"...The oldest religion of which we have clear and authentic account is probably the pure monotheism held by the Jews. Some nations have claimed a higher antiquity for their religion-like the Egyptians and Chinese-than that which the sacred writings of the Hebrews show to have been communicated to Abraham, and to earlier men of God treated of in those Scriptures; but their claims are not entitled to our full credence. We are in doubt about them. The origin of religions is enshrouded in mystical darkness, and is a mere speculation.
Authentic history does not go back far enough to settle this point. The primitive religion of mankind I believe to have been revealed to inspired men, who, like Shem, walked with God. Adam, in paradise, knew who God was, for he heard His voice; and so did Enoch and Noah, and, more clearly than all, Abraham. They believed in a personal God, maker of heaven and earth, infinite in power, supreme in goodness, without beginning and without end, who exercises a providential oversight of the world which he made..."