Who said "I am the only one who can defeat him."?

This quote is attributed to Sasuke Uchiha.

I am the only one who can defeat him. - Sasuke Uchiha

"I am the only one who can defeat him."

Sasuke Uchiha Leadership

"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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"