“You will find that reason, which always ought to direct mankind, seldom does; but that passions and weaknesses commonly usurp its seat, and rule in its stead.”

“In matters of religion and matrimony I never give advice, because I will not have anybody's torments in this world or the next laid to my charge.”

“Let blockheads read what blockheads wrote.”

“We are really so prejudiced by our educations, that, as the ancients deified their heroes, we deify their madmen.”

“Ridicule is the only weapon which can be used against unintelligible propositions.”

“Cervantes smiled Spain's chivalry away.”

“Resort is had to ridicule only when reason is against us.”

“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.”