Who said "This is only a delay. We can overcome this."?

This quote is attributed to Doc Brown.

This is only a delay. We can overcome this. - Doc Brown

"This is only a delay. We can overcome this."

Doc Brown Perseverance

"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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."