Who said "I'm going to work harder than I ever have before."?

This quote is attributed to Ron Weasley.

I'm going to work harder than I ever have before. - Ron Weasley

"I'm going to work harder than I ever have before."

Ron Weasley Work

"Blimey, Harry, did you see that?"

"I'm starving, I'd eat a dragon right now."

"You're a wizard, Harry. And a thumping good one at that."

"I can't believe you didn't know you were famous."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."