The relationship between commitment and doubt is by no means an antagonistic one. Commitment is healthiest when it is not without doubt, but in spite… - Rollo May

The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.

Reason works better when emotions are present; the person sees sharper and more accurately when his emotions are engaged.

The crucial question which confronts us in psychology and other aspects of the science of man is precisely this chasm between what is abstractly true and what is existentially real for the given living person.