The cause-effect sequences in our brains are just as determining, just as inescapable, as anywhere else in Nature.

I believe firmly that in making ethical decisions, man has the prerogative of true freedom of choice.

The dynamic, creative present, however conditioned and restricted by the effects of prior presents, possesses genuine initiative.

True freedom is the capacity for acting according to one's true character, to be altogether one's self, to be self-determined and not subject to outside coercion.

Intuition does not in itself amount to knowledge, yet cannot be disregarded by philosophers and psychologists.

Human beings and their actions constitute the advancing front, the surging crest of an ongoing movement that never stops.