Who said "The hardest thing is forgiving yourself."?

This quote is attributed to Scarlet Witch (Civil War).

The hardest thing is forgiving yourself. - Scarlet Witch (Civil War)

"The hardest thing is forgiving yourself."

Scarlet Witch (Civil War)

"I can't control it when I'm angry. I can't control it."

"Sometimes the best way to help people is to let them make their own mistakes."

"I just wanted to help. That's all I ever wanted."

"They're going to come after me, and I'm not going to run."