Who said "I've learned that hope is the most powerful weapon."?

This quote is attributed to Cyborg (DCEU).

I've learned that hope is the most powerful weapon. - Cyborg (DCEU)

"I've learned that hope is the most powerful weapon."

Cyborg (DCEU) Hope

"I'm not just a machine. I'm more than what they made me."

"Technology doesn't define who we are. Our choices do."

"Even when broken, we can still be whole."

"I had to learn that being different isn't a weakness."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."