Who said "I walk a path of thorns, and I am grateful for each one."?

This quote is attributed to Sasuke Uchiha.

I walk a path of thorns, and I am grateful for each one. - Sasuke Uchiha

"I walk a path of thorns, and I am grateful for each one."

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."