Who said "The world needs people who will stand up and say no."?

This quote is attributed to Supergirl.

The world needs people who will stand up and say no. - Supergirl

"The world needs people who will stand up and say no."

Supergirl Leadership

"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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"