Who said "Every person has the ability to make a difference."?

This quote is attributed to The Flash.

Every person has the ability to make a difference. - The Flash

"Every person has the ability to make a difference."

The Flash Inspiration

"My name is Barry Allen, and I am the fastest man alive."

"You can't save everyone. Sometimes you have to let people go."

"I'm fighting so that no one else has to suffer like I did."

"Life doesn't give you second chances. So I'm making my own."

"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"