Our obligation to the will of God is our obligation to the laws of practical reason. — Joseph Alexander Leighton
Metaphysics is the clearing house for all fundamental philosophical problems. — Joseph Alexander Leighton
Faith in the continuance and enhancement of the intrinsic values–faith in truth, — Joseph Alexander Leighton
Life appears in a vast variety and innumerable succession of individual forms, — Joseph Alexander Leighton
Skepticism literally means a thoughtful inquiry, the looking at a problem in — Joseph Alexander Leighton
Philosophy, like science, consists of theories or insights arrived at as a — Joseph Alexander Leighton