Whether he likes it or not, [he] cannot remain incognito forever. He has outraged too many wise men and pleased too many fools to hide behind his too-appropriate order to assume leadership of the forces of stupidity he has marshalled, or his enemies will unmask him in order to better understand the disease that has produced such a warped and twisted mind.

Thank God for you, Ender. Thank God.

Reasonable argument is impossible when authority becomes the arbiter.

But when it comes to human beings, the only type of cause that matters is final cause, the purpose. What a person had in mind. Once you understand what people really want, you can't hate them anymore. You can fear them, but you can't hate them, because you can always find the same desires in your own heart.

Order and disorder', said the speaker, 'they each have their beauty.

Most victories came from instantly exploiting your enemy's stupid mistakes, and not from any particular brilliance in your own plan.

Ah, I am the judge of dreams, and you are the judge of love. Well, I find you guilty of dreaming good dreams, and sentence you to a lifetime of working and suffering for the sake of your dreams. I only hope that someday you won't declare me innocent of the crime of loving you.