
These are the demonstrations in a few particulars of the genius of nature; they show the direction of the stream. But the stream is blood; every drop is alive. Truth has not single victories; all things are its organs, — not only dust and stones, but errors and lies. The laws of disease, physicians say, are as beautiful as the laws of health. Our philosophy is affirmative, and readily accepts the testimony of negative facts, as every shadow points to the sun. By a divine necessity, every fact in nature is constrained to offer its testimony.