To hold an unchanging youth is to reach at the end, the vision with which one started.

Errors of knowledge are not breaches of morality; no proper moral code can demand infallibility or omniscience.

Collectivism answers: The power of society is unlimited. Society may make any laws it wishes, and force them upon anyone in any manner it wishes.

Are you in a universe which is ruled by natural laws and, therefore, is stable, firm, absolute - and knowable? Or are you in an incomprehensible chaos, a realm of inexplicable miracles, an unpredictable, unknowable flux, which your mind is impotent to grasp? The nature of your actions - and of your ambition - will be different, according to which set of answers you come to accept.

The alleged short-cut to knowledge, which is faith, is only a short-circuit destroying the mind

Humor is not an unconditional virtue; its moral character depends on its object. To laugh at the contemptible, is a virtue; to laugh at the good, is a hideous vice. Too often, humor is used as the camouflage of moral cowardice.

Whenever anyone accuses some person of being 'unfeeling,' he means that that person is just.