[An artificial heart appears in Q's hand. Picard reacts, looks at it, looks down at his burned chest, and gets a look of recognition on his face.]
Picard: "Is that..."
Q: "Your artificial heart, you might have lived if you had a real one. Instead of this unreliable piece of technology. [he tosses the heart to Picard. Picard studies it]. By the way, how did you lose yours anyway?"