I believe in the vast potentialities of mankind. But I see everywhere a wide disparity between what they can be and what they are. That is what I want to say in writing. I want to say the genius of the human race is mongrelized; I want to find out how mankind can be helped out of the animal kingdom into the clear sweet air.

Letter to John Mason Brown, 1935; cited from Margaret Brenman-Gibson Clifford Odets, American Playwright: The Years from 1906 to 1940 (New York: Atheneum, 1981) p. 337.