一、关于勇气与牺牲

1. "It takes a great deal of courage to stand up to your enemies, but a great deal more to stand up to your friends."

（对抗敌人需勇气，但对抗朋友需更大勇气）

2. "The greatest wizard in history has started out as nothing more than what we are now."

（历史最伟大的巫师也曾和我们一样一无所有）

二、关于友情与信任

1. "Our bond of friendship is stronger than any dark magic."

（我们的友情比任何黑暗魔法都更强大）

2. "The only way to defeat Voldemort is to show him that friendship and trust are stronger than hate and fear."

（击败伏地魔的唯一方法就是证明友情与信任比仇恨与恐惧更强大）

三、关于成长与自我认知

1. "Never trust anything that can think for itself if you can't see where it keeps its brain."

（如果看不见它的大脑藏在哪里，就永远不要相信它能独立思考）

2. "You've got to look inside yourself and find the courage you didn't know you had."

（你必须审视内心，找到你从未意识到的勇气）

四、经典场景台词

1. "The glass was there and then it was gone, just like magic."

（玻璃突然消失，就像魔法一样）

2. "I want everything to be perfect for Dudley's special day..."

（我希望今天一切都能完美无缺，为达力的生日）

这些句子通过简洁而深刻的语言，展现了哈利波特系列中关于勇气、友情、成长等核心主题。如需完整原文或更多句子，可参考《哈利·波特》原著书籍或权威语录集。