No human being, when you understand his desires, is worthless. No one's life is nothing. Even the most evil of men and women, if you understand their hearts, had some generous act that redeems them, at least a little, from their sins.
I need you to be clever, Bean. I need you to think of solutions to problems we haven't seen yet. I want you to try things that no one has ever tried because they're absolutely stupid.
There was no doubt now in Ender's mind. There was no help for him. Whatever he faced, now and forever, no on ewould save him from it. Peter might be scum, but Peter had been right, always right; the power to cause pain is the only power that matters, the power to kill and destroy, because if you can't kill then you are always subject to those who can, and nothing and no one will ever save you.
"I thought commanders could order anything." "They can order the moon to turn blue, too, but it doesn't happen. Listen, Ender, commanders have just as much authority as you let them have. The more you obey them, the more power they have over you."
Graff had isolated Ender to make him struggle. To make him prove, not that he was competent, but that he was far better than everyone else. That was the only way he could win respect and friendship. It made him a better soldier then he would ever have been otherwise. It also made him lonely, afraid, angry, untrusting. And maybe those traits, too, made him a better soldier.