“[Darwin] gave an answer to the tremendous question that so deeply concerns...What is Man? [He] answered this question to the effect that man is a natural product of the universe;...man is an animal, a vertebrate, a mammal, and a primate....By bringing man into the evolutionary picture, Darwin finally took the last step in our emancipation and finally made our world rational. [Yet] Darwin felt humility and awe that seem to me truly religious. ["Darwin led us into this modern world," 1959, p. 271-272.]”