Dolores Umbridge: You’re lying. Wands only choose witches, and you are not a witch.
Mary Cattermole: But I am. Tell them, Reg. Tell them what I am. Reg, tell them what I am.
Dolores Umbridge: What on earth are you doing, Albert?
Harry Potter (lookin’ like Runcorn): You’re lying, Dolores. And one mustn’t tell lies.
From Harry Potter and the Deathly Hallows: Part 1 (2010) | Produced by Warner Bros.