“There was no element of true worship in the propitiatory offerings of primitive man; in the beginning he was essentially a materialist—he became a spiritualist later on. Man’s first religion must have been, necessarily, a material one; he worshiped (propitiated) only that which he could see, or feel, or hear, or touch; his undeveloped psychical being could grasp nothing higher; his limited understanding could not frame an idea involving a spiritual element such as animism undoubtedly presents.”