Who said "I have trained harder than any who came before."?

This quote is attributed to Tai Lung.

I have trained harder than any who came before. - Tai Lung

"I have trained harder than any who came before."

Tai Lung Work

"I have waited long enough. Now I am the Dragon Warrior."

"You deny your own chi? Then you deny your potential."

"I am disappointed. You have the power of the Dragon Warrior, yet you hide from your destiny."

"Thirty years I have waited. Thirty years of patience."

"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."