Who said "You should be grateful I even speak to you."?

This quote is attributed to Draco Malfoy.

You should be grateful I even speak to you. - Draco Malfoy

"You should be grateful I even speak to you."

Draco Malfoy Gratitude

"I'm Draco. Draco Malfoy."

"You'll soon find out some wizarding families are much better than others."

"I can help you there. Hogwarts is full of annoying Muggle-borns."

"My father is very well connected in the Ministry."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"