Harry Potter and the Goblet of Fire (Harry Potter, #4)

by J.K. Rowling

“Severus,” said Dumbledore, turning to Snape, “you know what I must ask you to do. If you are ready . . . if you are prepared . . .” “I am,” said Snape. He looked slightly paler than usual, and his cold, black eyes glittered strangely. “Then good luck,” said Dumbledore, and he watched, with a trace of apprehension on his face, as Snape swept wordlessly after Sirius.

“What’s comin’ will come, an’ we’ll meet it when it does.

“Remember Cedric. Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory.”