Who said "I've trained hard to become stronger every day."?

This quote is attributed to Knuckles.

I've trained hard to become stronger every day. - Knuckles

"I've trained hard to become stronger every day."

Knuckles Work

"I'm the last one standing!"

"Gotta protect this Master Emerald!"

"Nobody messes with the Master Emerald while I'm around!"

"I may not be the smartest guy, but I know what's right!"

"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."