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.

I didn't want to see you." "They told me." "I was afraid that I'd still love you." "I hoped that you would.

Others find humanity by looking in their own hearts. Only lost souls need to search for it outside themselves.

Ender stepped under the water and rinsed himself, took the sweat of combat and let it run down the drain. All gone, except they recycled it and we'll be drinking Bonzo's blood water in the morning. All the life gone out of it, but his blood just the same, his blood and my sweat, washed down in their stupidity or cruelty or whatever it was that made them let it happen.

He’d undone all he could. You can be sorry, and you can be forgiven, but you can’t call back the futures that your bad decisions lost

[T]he politically correct are above the rules of ordinary civility, once they have identified you as an unbeliever in their religion.

There's always hope... even when there isn't faith. And sometimes, without hope or faith, there must be charity.