Voldemort

"History is written by the victorious, and I shall be victorious."

"Philosophy without power is merely idle speculation."

"Literature records the failures and weakness of mortals."

"Politics is a game for those lacking the courage to seize power directly."

"War is the ultimate test of power and will."

"Inspiration comes not from hope, but from the certainty of one's superiority."

"Relationships based on fear are the most reliable."

"Solitude is the sanctuary of the truly great."

"The weak cling to memories; the strong reshape the future."

"I do not fear death—I am death."

"Change is merely the rearrangement of the world according to my will."

"Half-bloods and Muggleborns dilute the purity of our world."

"Every sacrifice brings me closer to eternal dominion."

"The boy-who-lived is merely the boy-who-delayed-the-inevitable."

"I have no need for the counsel of others; my will is law."

"Betrayal is the currency of ambition."

"The prophecy was merely words; my power makes reality."

"I have killed those dearest to me without hesitation—such is strength."

"Hope is the last resort of the powerless."

"My followers do not love me; they fear me. Fear is more reliable."

"I shall live forever, and my enemies will turn to dust."

"Mercy is a weakness I have successfully purged."

"The wand is merely an extension of the will; the will is all that matters."

"I do not regret my choices; I am beyond the reach of remorse."

"Lesser wizards cower before me; they are right to do so."

"I have seen glimpses of a future where all bow before me."

"Dumbledore is dead, and with him, any hope for his world."

"Blood purity is not prejudice—it is the fundamental law of magical supremacy."

"The feeble bonds of family mean nothing to one who has transcended humanity."

"I have split my essence into seven pieces; I am beyond death."