Jordan Belfort: Brad, show them how it's done. Sell me that pen. Watch. Go on. Brad: You want me to sell you this fucking pen? Jordan Belfort: That's my boy right there. Can fucking sell anything. Brad: Why don't you do me a favor. Write your name down on that napkin for me. Jordan Belfort: I don't have a pen. Brad: Exactly. Supply and demand, my friend.
This quote occurs at 00:29:45-00:30:00 in the video.