Terrance: I'm Terrance, I'm plowing.
Thomas: I'm Thomas, I'm pulling a train. What ugly wheels you've got.
Terrance: There's not ugly. They're caterpillars. I can go anywhere. I don't need rails.
Thomas: I don't want to go anywhere. I like my rails, thank you.
You have brains in your head. You have feet in your shoes. You can steer yourself in any direction you choose. You're on your own, and you know what you know. And you are the guy who'll decide where to go.