An enemy, Ender Wiggin," whispered the old man. "I am your enemy, the first one you've ever had who was smarter than you. There is no teacher but the enemy. No one but the enemy will tell you what the enemy is going to do. No one but the enemy will ever teach you how to destroy and conquer. Only the enemy shows you where you are weak. Only the enemy tells you where he is strong. And the rules of the game are what you can do to him and what you can stop him from doing to you. I am your enemy from now on. From now on I am your teacher.

When you walk on the face of a world, then forgiveness comes.

Home is where the people who live there need me to come home to them, and worry about me when I'm gone. There's no such place on this earth, no matter how far I drive.

Mom," said Peter, "nobody thinks you're a lackwit, if that's what you're worried about." Lackwit? In what musty drawer of some dead English professor's dust-covered desk did you find that word? I assure you that never in my worst nightmares did I ever suppose that I was a lackwit.

It's what I was born for, isn't it? If I don't go, why am I alive?

Someday stars will wind down or blow up. Someday death will cover us all like the water of a lake and perhaps nothing will ever come to the surface to show that we were ever there. But we WERE there, and during the time we lived, we were alive. That's the truth - what is, what was, what will be - not what could be, what should have been, what never can be.

And enough for me that when my hand touched your shoulder, you leaned on me; and when you felt me slip away, you called my name.