“Laziness always wins.”

“Anyone who is willing to work and is serious about it will certainly find a job. Only you must not go to the man who tells you this, for he has no job to offer and doesn't know anyone who knows of ...”

“Choose your counsel, company and companions wisely: beware seeking wise words of advice from a fool or expecting informed opinions or decisions from the ignorant.”

“If you find it difficult to get along with your boss, try to reason with him and talk through your differences. If that doesn't work, drive him to suicide and take over the company.”

“If someone were to harm my family or a friend or somebody I love, I would eat them. I might end up in jail for 500 years, but I would eat them.”

“Sometimes you know you've got a chance with a girl because she wants to fight with you. If the world wasn't so messed up, it wouldn't be like that. If the world was normal, a girl being nice to you...”

“Smirking, he says, "Whatever spell you just tried to cast on me, it didn't work, so I think you need to go back to Hogwarts.”

“The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution.”

“The truth is rarely pure and never simple.”

“Never tell the truth to people who are not worthy of it.”