Who said "If you don't like your present, you can change your future."?

This quote is attributed to Dr. Emmett Brown.

If you don't like your present, you can change your future. - Dr. Emmett Brown

"If you don't like your present, you can change your future."

Dr. Emmett Brown Change

"Great Scott!"

"This is heavy."

"There's that word again, 'heavy.' Is there something wrong with the Earth's gravitational pull?"

"If my calculations are correct, when this baby hits 88 miles per hour, you're gonna see some serious shit."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."