Who said "I've made peace with what I've done. That's all I can do."?

This quote is attributed to Black Widow / Natasha Romanoff.

I've made peace with what I've done. That's all I can do. - Black Widow / Natasha Romanoff

"I've made peace with what I've done. That's all I can do."

Black Widow / Natasha Romanoff Peace

"I used to have nothing. Then I got this job, this team. It's all I have."

"Compromise where you can. Where you can't, don't."

"I'm always picking up after you boys."

"The world doesn't change without sacrifice."

"Peace comes from a good conscience."

"Life is too short to hold grudges."

"A man's home is his sanctuary. It should be treated as such."

"The world is chaotic enough. At least your home should make sense."