Who said "I didn't know what I was capable of until I had to be."?

This quote is attributed to Scarlet Witch.

I didn't know what I was capable of until I had to be. - Scarlet Witch

"I didn't know what I was capable of until I had to be."

Scarlet Witch Courage

"I can feel you, all of you. Every part of you."

"What is grief, if not love persevering?"

"I don't need your pity. I need your help."

"You can't move on if you don't let go."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."