A great physicist taught at the Massachusetts Institute of Technology. He published many important books and papers. Often he had an idea in the middle of the night. He rose from his bed, took a shower, washed his hair, and shaved. He dressed completely, in a clean shirt, in polished shoes, a jacket and tie. Then he sat at his desk and wrote down his idea. A friend of mine asked him why he put himself through all that rigmarole. 'Why,' he said, surprised at the question, 'in honor of physics!