Who said "Your failure was inevitable from the start."?

This quote is attributed to Severus Snape.

Your failure was inevitable from the start. - Severus Snape

"Your failure was inevitable from the start."

Severus Snape

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

"Dunderheads. All of you. Particularly you, Potter."

"I can teach you how to bottle fame, brew glory, even put a stopper in death."

"One sip of this potion would make a man invincible."