There are times when the world is rearranging itself, and at times like that, the right words can change the world.

We spend our lives guessing at what's going on inside everybody else, and when we happen to get lucky and guess right, we think we 'understand.' Such nonsense. Even a monkey at a computer will type a word now and then.

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.

Reasonable argument is impossible when authority becomes the arbiter.

Ender Wiggin must believe that no matter what happens, no adult will ever, ever step in to help him in any way.

Knowledge is just opinion that you trust enough to act upon.

You will learn to defeat the enemy.