Who said "You can't save everyone, but you have to try."?

This quote is attributed to Supergirl.

You can't save everyone, but you have to try. - Supergirl

"You can't save everyone, but you have to try."

Supergirl Courage

"I'm not just Kara Danvers. I'm also Supergirl."

"Being a hero isn't just about having powers. It's about what you choose to do with them."

"I have to believe that there's good in people, even when they give me reason not to."

"My family is what makes me strong."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."