Human nature is potentially aggressive and destructive and potentially orderly and constructive.
Never doubt that a small group of thoughtful, committed, citizens can change the world. Indeed, it is the only thing that ever has.
I learned the value of hard work by working hard.
Man's role is uncertain, undefined, and perhaps unnecessary.
Having two bathrooms ruined the capacity to co-operate.
Sooner or later I'm going to die, but I'm not going to retire.