(Harry found the entrance to the Chamber of Secrets...)
Gilderoy Lockhart: Excellent, Harry. Good work. Well, then, I'll just be... There's no need for me to stay.
Harry Potter: Yes, there is. You first.
Gilderoy Lockhart: Now, boys, what good will it do?
Ron Weasley: Better you than us.
Gilderoy Lockhart: But... Obviously, yes. Sure you don't want to test it first?
(Ron pushes him...)
Harry Potter: Professor, we have some information for you. Are you going somewhere?
Gilderoy Lockhart: Well, yes. Urgent call. Unavoidable. Got to go.
Ron Weasley: What about my sister?
Gilderoy Lockhart: Well... As to that, most unfortunate. No one regrets more than I.
Ron Weasley: You're the Defense Against the Dark Arts teacher. You can't go now.
Gilderoy Lockhart: I must say, when I took the job, there was nothing in the description about...
Harry Potter: You're running away? After all you did in your books?
Gilderoy Lockhart: Books can be misleading.
Harry Potter: You wrote them.
Gilderoy Lockhart: My dear boy, use your common sense. My books wouldn't have sold half as well if people didn't think I'd done those things.
Harry Potter: You're a fraud. You've been taking credit for what other wizards have done.
Ron Weasley: Is there anything you can do?
Gilderoy Lockhart: Yes, now you mention it. I'm rather gifted with Memory Charms. Otherwise, all those wizards would have gone blabbing. I'd never have sold another book. In fact, I'm going to have to do the same to you.
Severus Snape: A girl has been snatched by the monster, Lockhart. Your moment has come at last.
Gilderoy Lockhart: My moment?
Severus Snape: Weren't you saying just last night... that you've known all along where the entrance to the Chamber of Secrets is?
Minerva McGonagall: That's settled. We'll leave you to deal with the monster, Gilderoy. Your skills, after all, are legend.
Gilderoy Lockhart: Very well. I'll just be in my office getting... Getting ready.
Harry Potter: I think my arm is broken.
Gilderoy Lockhart: Not to worry. I will fix that arm of yours straightaway.
Harry Potter: No. Not you.
Gilderoy Lockhart: Boy doesn't know what he's saying. This won't hurt a bit. Brackium Emendo! (Lockhart makes Harry's bones disappear) Yes, well, that can sometimes happen... but the point is... you can no longer feel any pain, and, very clearly, the bones are not broken.
Rubeus Hagrid: Broken? There's no bones left.
Gilderoy Lockhart: Much more flexible, though.