Descartes constructed as noble a road of science, from the point at which he found geometry to that to which he carried it, as Newton himself did after him. ... He carried this spirit of geometry and invention into optics, which under him became a completely new art.
All is a miracle. The stupendous order of nature, the revolution of a hundred millions of worlds around a million of stars, the activity of light, the life of all animals, all are grand and perpetual miracles.