Voldemort

"Imagination without magical skill is worthless fantasy."

"My legacy will eclipse all previous wizarding history."

"Betrayal is a tool best wielded by one's own hand."

"I answer to no authority but my own will."

"Greatness demands sacrifices others are too weak to make."

"Art serves only if it glorifies power and dominion."

"Those who cannot serve my vision have no future."

"Dreams are merely the blueprint for conquest."

"Humor is beneath those engaged in the pursuit of immortality."

"Beauty exists only to be possessed and controlled."

"Each soul lost strengthens my connection to power."

"The magical world shall recognize me as supreme."

"Weakness disgusts me more than any form of failure."

"My horcruxes are proof that I alone have transcended mortality."

"Obedience through intimidation is the most reliable form of rule."

"I have no equals—only servants and obstacles."