关于《哈利·波特》的经典英文台词，综合多个权威来源整理如下：

一、关于成长与命运

1. "Every great wizard in history has started out as nothing more than what we are now: students. If they can do it, why not us？"（历史上的伟大巫师都始于我们现在的身份：学生。如果他们能做到，我们为何不能？）——赫敏·格兰杰

2. "This boy will be famous. There won't be a child in our world who doesn't know his name."（这个男孩将会出名。我们世界没有不认识他名字的孩子。）——麦格教授

3. "It does not do to dwell on dreams, and forget to live."（沉溺于梦想而不生活是不对的。）——海格

二、关于爱与友谊

1. "You’re the weak one and you'll never know love or friendship. And I feel sorry for you."（你太脆弱了，永远不懂爱与友谊。我很抱歉。）——邓布利多

2. "The greatest adventure you'll ever have is living."（你最大的冒险就是活着。）——海格

3. "You'll soon find out that some wizarding families are better than others, Potter. You don't wanna go making friends with the wrong sort."（你很快就会发现，有些巫师家族比其他家族更好。你不想和错误类型的人交朋友。）——邓布利多

三、关于勇气与选择

1. "You need to deal with the evil in your heart, and to adhere to a friend in front of your position, but also a great deal of courage."（你需要对抗心中的恶，同时也要在朋友面前坚守立场，这需要极大的勇气。）——邓布利多

2. "The world isn't split into good people and Death Eaters. We've all got both light and dark inside us. What matters is the part we choose to act on."（世界并非只有好人与食死徒之分，我们内心都有光明与黑暗。重要的是我们选择展现哪一面。）——小天狼星·布莱克

3. "Death is just another great adventure for a very sober-minded person."（对清醒头脑的人来说，死亡不过是一场伟大的冒险。）——邓布利多

四、其他经典语录

"Never trust anything you can't see with your own eyes."（永远不要相信你肉眼看不见的东西。）——斯内普

"The truth is rarely pretty."（真相往往不美好。）——小天狼星

"Courage is doing the right thing, knowing you're right."（勇气就是在明知正确时仍选择行动。）——多比

这些台词贯穿全系列，展现了角色们对成长、爱、勇气与选择的探索，成为《哈利·波特》文化符号的重要组成部分。