The safe position in Christian thinking is to remember that there are deeper depths than we can fathom, higher heights than we can know; it keeps us reverent, keeps us from hardening off into a confined, cabined experience of our own. Thinking is not of first importance; life is of first importance. Neither in natural nor in spiritual life do we begin by thinking. Christian thinking means thinking on the basis of things, not thinking in pious terms. With many the experience is right, the life of