Severus Snape

"Your weakness disgusts me."

"The truth, however bitter, is superior to comforting lies."

"I demand perfection from those around me."

"History is written by those willing to do what others will not."

"Your actions speak louder than your excuses ever could."

"I am not interested in your justifications."

"The weak fall away. The strong endure."

"This subject requires more than casual attention."

"I have long since stopped expecting excellence from you."

"There is no good and evil, there is only power, and those too weak to seek it."

"It is our choices that show what we truly are, far more than our abilities."

"Fool of a boy. You dare enter my classroom unprepared?"

"Your arrogance will be your undoing."

"One cannot simply ignore the rules of this institution."

"Ambition without discipline is merely empty fantasy."

"The weak deserve their fate."

"Pay attention, or pay the consequences."

"Mediocrity is a choice made by those incapable of greatness."

"Fear is the tool of the powerful."

"Your insolence will not be tolerated in my classroom."

"Knowledge is the only weapon that truly matters."

"Sentiment is a luxury we cannot afford."

"The world shows no mercy to the foolish."

"Discipline separates the capable from the incompetent."

"One must master oneself before attempting to master others."

"Your potential remains locked behind your own ignorance."

"Those who cannot control their emotions cannot control anything."

"History repeats itself to those foolish enough to ignore it."

"Power respects only those willing to seize it."

"Sloth is the hallmark of the defeated."