The Hobbit - Wikiquote
"Yes, yes, my dear sir — and I do know your name, Mr Bilbo Baggins. And you do know my name, though you don't remember that I belong to it. I am Gandalf, and Gandalf means me! To think that I should have lived to be good-morninged by Belladonna Took's son, as if I was selling buttons at the door!"