His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even... knowledge, was foolproof.
Everything of importance has been said before by somebody who did not discover it.
It is hard to fight an enemy who has outposts in your head.
All programmers are playwrights and all computers are lousy actors.
Have patience awhile; slanders are not long-lived. Truth is the child of time; erelong she shall appear to vindicate thee.
We can be sure that the greatest hope for maintaining equilibrium in the face of any situation rests within ourselves.
The best thing to give to your enemy is forgiveness; to an opponent, tolerance; to a friend, your heart; to your child, a good example; to a father, deference; to your mother, conduct that will make her proud of you; to yourself, respect; to all men, charity.