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

This quote is attributed to Black Widow (MCU).

You can't change the past, but you can fight for the future. - Black Widow (MCU)

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

Black Widow (MCU) Change

"I've been red in my ledger for a long time. I'm trying to wipe it out."

"Sometimes you need to go back in order to move forward."

"I'm always picking up after you boys."

"You really think you can hold onto the cube? It has a lot of voltage."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."