Who said "I prefer allies who challenge me to ones who worship me."?

This quote is attributed to Natasha Romanoff.

I prefer allies who challenge me to ones who worship me. - Natasha Romanoff

"I prefer allies who challenge me to ones who worship me."

Natasha Romanoff Friendship

"I'm not going to fight you."

"Sometimes the best way to solve your own problems is to help someone else."

"I have a very specific skill set."

"You know, I'm actually a very good liar."

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."