If one wishes to form a true estimate of the full grandeur of religion, one must keep in mind what it undertakes to do for men. It gives them information about the source and origin of the universe, it assures them of protection and final happiness amid the changing vicissitudes of life, and it guides their thoughts and motions by means of precepts which are backed by the whole force of its authority.
A Philosophy of Life (Lecture 35) - New Introductory Lectures on Psychoanalysis (1932)