Who said "I won't back down from this!"?

This quote is attributed to Anger.

I won't back down from this! - Anger

"I won't back down from this!"

Anger Perseverance

"Are you kidding me?! This is ridiculous!"

"Something made me mad today, and I'm still not over it."

"We need to be productive and get things done RIGHT NOW."

"Why does everything have to be so complicated?"

"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."