The greatest productive force is human selfishness.
Citizenship is an attitude, a state of mind, an emotional conviction that the whole is greater than the part...and that the part should be humbly proud to sacrifice itself that the whole may live.
You can go wrong by being too skeptical as readily as by being too trusting.
A society that gets rid of all its troublemakers goes downhill.
Don't tell me violence doesn't solve anything. Look at Carthage.
People who go broke in a big way never miss any meals. It is the poor jerk who is shy a half slug who must tighten his belt.