You will learn to defeat the enemy.

Come into our home, daughters of Earth; dwell in our tunnels, harvest our fields; what we cannot do, you are now our hands to do for us. Blossom, trees; ripen, fields; be warm for them, suns; be fertile for them, planets: they are our adopted daughters, and they have come home.

Ender's Game is set more than a century in the future and has nothing to do with political issues that did not exist when the book was written in 1984... It will be interesting to see whether the victorious proponents of gay marriage will show tolerance toward those who disagreed with them when the issue was still in dispute.

You're cultural supremacists to the core. You'll perform your Questionable Activities to help out the poor little piggies, but there isn't a chance in the world you'll notice when they have something to teach you.

The difference between science fiction and fantasy … is simply this: science fiction has rivets and fantasy has trees.

Welcome to the human race. Nobody controls his own life, Ender.

Nature can't evolve a species that hasn't the will to survive. Individuals might be bred to sacrifice themselves, but the race as a whole can never cease to exist.