Who said "I became my own hero because no one else would save me."?

This quote is attributed to Nebula.

I became my own hero because no one else would save me. - Nebula

"I became my own hero because no one else would save me."

Nebula Inspiration

"I didn't ask for this life."

"You're welcome."

"I will kill you slowly."

"Gamora may have stolen your money, but I will steal your life."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"