"No, no, not the lamp. The lamp’s simple enough, once you get over the shock of seeing it really work. It should work. It would work on paper, assuming various undeterminables and guessing at some unavailable data. But the clean impetuous leap from the vague hypothesis to a working model-" The thon coughed nervously. "It’s Kornhoer himself I don’t understand. That gadget-" he waggled a forefinger at the dynamo "-is a standing broadjump across about twenty years of preliminary experimentation, starting with an understanding of the principles. Kornhoer just dispensed with the preliminaries. You believe in miraculous interventions? I don’t, but there you have a real case of it. Wagon wheels!" He laughed. "What could he do if he had a machine shop? I can’t understand what a man like that is doing cooped up in a monastery."