"But don't you see, Miss Smith?" Doctor Carrington exclaimed, standing up from his desk suddenly. "Mathematics defines reality!" This exclamation was indeed a surprise to Miss Smith, the Doctor had not spoken for three days, had not slept for three days, and it was all she could do not to drop the tea cup she was about to hand him. "No sir, I don't see sir," she managed, eyes fixed on the tea cup as she placed it firmly on the desk. "And I'd thank you not to startle me so" - not now - she thought. "Piffle," said Dr. Carrington, "you are party to a discovery of great magnitude, and you...", he became distracted,his eyes lost focus, and he slumped back in his chair, "...and you, well, you bring me tea". “For which I thank you," he added finally. "Well, much obliged sir," she said, " I'm sure we'll be most amazed by your intelligence, sir". "Do I detect a note of ...