Young Biff: Why don't you make like a tree and get out of here? Old Biff: It's leave, you idiot! "Make like a tree, and leave." You sound like a damn fool when you say it wrong. Young Biff: All right then, leave! And take your book with you!
Marty McFly: [Reading newspaper in 2015] "Within two hours of his arrest, Martin McFly Jr. was tried, convicted and sentenced to fifteen years in the state penitentiary." In two hours? Doc: The justice system works swiftly in the future now that they've abolished all lawyers.