1929. Swarthmore Lecture. Contents: Outline of evolution leading to the advent of Man in the physical world; The questioning voice, What doest thou here?; Changing views of the scope of physical theory and the ideal of physical explanation; Both a scientific and a mystical outlook are involved in the problem of experience; The irrelevancy of natural law to some aspects of mind and consciousness; The importance of significances and the consequences of ruling them outside the scope of inquiry; and Assurance of the revelation of God rather than of the existence of God is demanded. See other titles by this author available from Kessinger Publishing.