Grasshopper: Master, you have taught me well, may I show you what I am capable of?
The master releases two flies and pulls out his sword. He nods at Grasshopper. Grasshopper unsheathes his sword. He watches them for a couple seconds, and then steel flashes, and two buzzings become one, as one of the flies falls. Master swipes at the remaining fly and there is a fraction of a second of silence, then the buzzing resumes. Grasshopper is confused.
Master: Your fly is down, but mine will never have children.