Who said "You can't change the past, but you can shape the future."?

This quote is attributed to The Flash.

You can't change the past, but you can shape the future. - The Flash

"You can't change the past, but you can shape the future."

The Flash Change

"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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."