1. "That was a long time ago, but it's wrong what they say about the past, I've learned, about how a thousand times over."
2. "For you, a thousand times over."
3. "There is a way to be good again."
4. "It always hurts more to have and lose than to not have in the first place."
5. "When you tell a lie, you steal someone's right to the truth."
6. "A boy who won’t stand up for himself becomes a man who can’t stand up to anything."
7. "The past always catches up with you."（往事总会找上你｡）
这些句子体现了小说中的核心主题，包括友谊、背叛、救赎和勇气。希望这些对你有所帮助。