Listen to me, Potter. Your pal Diggory? By your age he could turn a whistle into a watch and have it sing you the time. Miss Delacour? She's as much a fairy princess as I am. As for Krum, his head may be filled with sawdust, but Karkaroff's is not.
Alastor "Mad-Eye" Moody in Harry Potter and the Goblet of FireComment
Avada Kedavra… the killing curse. There's no blocking it. Only one known person has ever survived it, and he's sitting right in front of me.
Alastor "Mad-Eye" Moody in Harry Potter and the Goblet of FireComment