The sooner we can separate salvageable skeptics from self-righteous absolutists, the sooner we can move along.

The Regime has become so smug it can't tell the difference among the revolutionary, the innovative, or the merely various. The high command knows so little about the outside that if I came back with a fully equipped chemical laboratory and told them I'd found it in a cave, they'd probably believe that, so long as I brought it back piecemeal in my saddle bags, thus proving I hadn't known it was there beforehand.

All around the Mediterranean you'll find cultures that believe men can't control themselves and shouldn't have to try.

Conflict acting on intelligence creates imagination. Faced with conflict, creatures are forced to imagine what will happen, where the next threat will come from. If there has never been conflict, imagination never develops. Wits arise in answer to danger, to pain, to tragedy. No one ever got smarter eating easy apples.

We'll tell him his mother waits for him in heaven, I suppose." "Is that a lie?" "It's what we tell fools and children." She sighed. "Postulating a heaven gives man an out for having been unable to retain the paradise he was given here on earth.

[T]he scripture worshippers put the writings ahead of God. Instead of interpreting God's actions in nature, for example, they interpret nature in the light of the Scripture. Nature says the rock is billions of years old, but the book says different, so even though men wrote the book, and God made the rock and God gave us minds that have found ways to tell how old it is, we still choose to believe the Scripture.

I think... girls have a hard time being interesting. It’s actually easier to be famous, or notorious, than it is to be interesting. In our world, girls climb very well until they hit puberty-sexual maturity-and then they begin to fall out of the tree. They start role-playing instead of thinking, flirting instead of learning. They start admiring how smart the boys are-or how athletic or how handsome-instead of concentrating on their own intelligence.