Who said "Don't dwell on the past, focus on the future."?

This quote is attributed to Bugs Bunny.

Don't dwell on the past, focus on the future. - Bugs Bunny

"Don't dwell on the past, focus on the future."

Bugs Bunny Change

"Ehhhhh, what's up, Doc?"

"Ain't I a stinker?"

"Of course you realize, this means war."

"If you can't be good, be careful."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."