“I'm crazy," said Ender. "But I think I'm OK.”

“Every time, I've won because I could understand the way my enemy though. From what they did. I could tell what they though I was doing, how they wanted the battle to take shape. And I played off of that. I'm very good at that. Understanding how other people think. - Ender Wiggin”

“Nonsense," said Graff. "Ender always has plans within plans.”

“I'll obey you now," said Runnel.Brick laughed. "Except when you think I'm wrong.”

“Remember, I'm the only person her who's paid to be nice to you. But not too nice. Give me any lip and I'll break your face. OK?”

“It [seed of doubt] made Ender listen to what people meant, instead of what they said. It made him wise.”

“We're not taking odds on it,” said Ender. “Nothing that actually happens is likely until it exists, and then it's certain. You exist.”