Severus Snape

"Merlin's beard, you are a simple boy, aren't you?"

"I don't expect you will remain in this school for very long."

"Your scar is not real."

"Five points from Gryffindor."

"Dreamless sleep is a precious thing."

"Knowledge is like a treasure. It must be guarded carefully."

"I have nothing more to say to you, Potter."

"You have failed to learn the fundamental thing, which is that you must try."

"Silence is more important than speech."

"The value of a man is not determined by his appearance."

"Dementors are foul creatures, even by the standards of the Dark Arts."

"Magic requires discipline and control, something you seem to lack entirely."

"It is our choices that show what we truly are."

"Weakness is something to be conquered, not tolerated."

"Your mother had a gift for magic, shame you did not inherit it."

"The desire for power leads to darkness, and darkness to ruin."

"I have seen what love can do, and it is both powerful and dangerous."

"You will learn respect, if nothing else, in my classroom."

"The past haunts us all, Potter. Some more than others."

"There are fates worse than death."

"Ambition without wisdom is the path to destruction."

"You must learn to master your emotions before they master you."

"The greatest power lies not in dark magic, but in understanding."

"Your arrogance will be your downfall."

"Excellence is not a skill, it is a habit."

"Fear is the greatest teacher."

"I do not expect you to understand, nor do I care if you do."

"Loyalty is bought with gold and secured with fear."

"A true master of his craft never wastes a single gesture."

"The castle knows things of which you are utterly unaware."