“People always kill Caesar. Don't trust anyone.”

“But what do you say if you're asked a direct question and you can't tell the truth and you can't tell a lie?' 'You say how very interesting and change the subject.”

“Silly,' he said with mock serenity, 'isn't a word you should ever apply to people. They may be totally stupid, in fact, but if you call them silly you've lost their vote.”

“If ever you get invited into someone's home,' my father said (as he had been invited five or six times that morning), 'you go into the sitting-room and you say, Oh, what an attractive room!" even i...”

“It's people with obsessions who do the real harm in the world.”

“Above all, don't lie to yourself. The man who lies to himself and listens to his own lie comes to a point that he cannot distinguish the truth within him, or around him, and so loses all respect fo...”

“Of all the bright cruel lies they tell you, the cruelest is the one called love.”

“Don't cry, I'm sorry to have deceived you so much, but that's how life is.”

“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.”