Phoebe: Why? Why do I have to learn?
Ross: Well, in case of an emergency.
Phoebe: What kind of emergency?
Ross: Well, what if a man comes along and puts a gun to your head and says: "You ride this bike or I'll I'll shoot you."
Phoebe: Okay. I would ring the bell to distract him. Then I would knock the gun out of his hand with a Chinese throwing star.