I guess you guys aren't ready for that yet... but your kids are going to love it.
— Oh, this is heavy, Doc. I mean, it's like I was just here yesterday.
— You were here yesterday, Marty.
Explanation:
arriving in 1955
— Which one's your pop?
— That's him.
— Maybe you were adopted?
— What's your name, dude?
— Marty... Eastwood. Clint Eastwood.
— What kind of stupid name is that?