When we reach the subject of mysticism, you will undergo so deep an immersion into these exalted states of consciousness as to be wet all over, if I may so express myself; and the cold shiver of doubt with which this little sprinkling may affect you will have long since passed away—doubt, I mean, as to whether all such writing be not mere abstract talk and rhetoric set down pour encourager les autres . You will then be convinced, I trust, that these states of consciousness of “union” form a perfectly definite class of experiences, of which the soul may occasionally partake, and which certain persons may live by in a deeper sense than they live by anything else with which they have acquaintance. This brings me to a general philosophical reflection with which I should like to pass from the subject of healthy-mindedness, and close a topic which I fear is already only too long drawn out. It concerns the relation of all this systematized healthy-mindedness and mind-cure religion to scientific method and the scientific life.
In a later lecture I shall have to treat explicitly of the relation of religion to science on the one hand, and to primeval savage thought on the other. There are plenty of persons today—“scientists” or “positivists,” they are fond of calling themselves—who will tell you that religious thought is a mere survival, an atavistic reversion to a