Don't say 'yes' in that ungrateful way

Aunt Marge : Still here, are you?
Harry : Yes.
Aunt Marge : Don't say 'yes' in that ungrateful way.

Aunt Marge, Harry Potter

Harry Potter and the Prisoner of Azkaban (2004) quotes

Expecto Patronum!

Harry : And now we wait?
Hermione : And now we wait.

Harry : I solemnly swear that I am up to no good.
Harry : Mischief managed.
Harry : Nox.