Ironside: (upon finding Mark putting a bomb together) You going into the bomb- and mine-making business?
Mark: The only way I can understand a gadget is to put one together.
Ironside: Let me know before you start trying to understand what happens when it goes off. Ed called in?
Mark: Eve did. She said...
Ironside: Call Ed. He's with Rutledge. Or would you have to take a phone apart and put it together to understand how to use it?
Mark: I did that when I was a kid, Chief. A pay phone, to see how to get the coins out.