Sirius Black: "He can't help it Remus, it's bound to be a habit by now."
Snape made a small, disparaging noise. James turned on him. "Got a problem with that?"
"No," said Snape, though his slight sneer said otherwise. "If you'd rather be brawny than brainy -"
"Where're you hoping to go, seeing as you're neither?" interjected Sirius.
Sirius Black: "Wait for what? What're you going to do, Snivelly, wipe your nose on us?"
Quotes about Sirius Black
McGonagall: "Sirius Black may not have put his hands to the Potters, but he's the reason they're dead."
Fudge: "And now he wants to finish what he started."