Who said "I'm willing to throw away my life for this."?

This quote is attributed to Sasuke Uchiha.

I'm willing to throw away my life for this. - Sasuke Uchiha

"I'm willing to throw away my life for this."

Sasuke Uchiha Perseverance

"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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."