Who said "I've survived alone. I survive better with allies."?

This quote is attributed to Black Widow / Natasha Romanoff.

I've survived alone. I survive better with allies. - Black Widow / Natasha Romanoff

"I've survived alone. I survive better with allies."

Black Widow / Natasha Romanoff Relationships

"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."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."