" Two doctors worked away in a laboratory, bent over instruments and vials, inspecting lab mice as they scurried about. "Look at him run!" The doctor pointed wildly at his partner and laughed as the laboratory mouse hurried under an alcove in the maze. 'We've got him now!' The second doctor, an older man in his late seventies, rolled his eyes and sighed. 'It's our job, Copernicus. You know, you should really watch how much fun you have with these exercises.' 'Exercises, huh?'