Game of Thrones (2011– ) Season 1 Episode 1: Winter Is Coming

Tyrion Lannister: And you... you're Ned Stark's bastard,aren't you? Did I offend you? Sorry. You are the bastard though.
Jon Snow: Lord Eddard Stark is my father.
Tyrion Lannister:And Lady Stark is not your mother,making you the bastard. Let me give you some advice,bastard. Never forget what you are. The rest of the world will not. Wear it like armor and it can never be used to hurt you.
Jon Snow: What the hell do you know about being a bastard?
Tyrion Lannister: All dwarves are bastards in their father's eyes.

Jaime Lannister: Getting a little old for it?

Eddard 'Ned' Stark: I don't fight in tournaments because when I fight a man for real, I don't want him to know what I can do.