Who said "Every training session brings me closer to perfection."?

This quote is attributed to Sasuke Uchiha.

Every training session brings me closer to perfection. - Sasuke Uchiha

"Every training session brings me closer to perfection."

Sasuke Uchiha Work

"I am an avenger."

"I don't care about anyone else. I only care about my own power."

"You are my favorite person to fight."

"I'm not interested in anything that doesn't involve becoming stronger."

"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."