Who said "I measure progress not in years, but in discovery."?

This quote is attributed to Doc Brown.

I measure progress not in years, but in discovery. - Doc Brown

"I measure progress not in years, but in discovery."

Doc Brown Success

"This is heavy."

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

"Great Scott!"

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

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."