(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...)