Who said "I've seen what happens when we don't take responsibility."?

This quote is attributed to Natasha Romanoff (Civil War).

I've seen what happens when we don't take responsibility. - Natasha Romanoff (Civil War)

"I've seen what happens when we don't take responsibility."

Natasha Romanoff (Civil War) Justice

"Sometimes I see the mission the same way you do."

"We've made mistakes. But we're still a family."

"I know this job. We both do."

"When you can live with it, let me know."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."