Experience is a revelation in the light of which we renounce our errors of youth for those of age.

Enthusiasm - a distemper of youth, curable by small doses of repentance in connection with outward applications of experience.

A person who doubts himself is like a man who would enlist in the ranks of his enemies and bear arms agains himself. He makes his failure certain by himself being the first person to be convinced of it.

Destiny: A tyrant's authority for crime and a fool's excuse for failure.

Faith: Belief without evidence in what is told by one who speaks without knowledge, of things without parallel.