QUOTE : THE DANGEROUS VICE OF ASKING Which is worth more? Experience or doctrine? By dropping stones and pebbles, big balls and little balls, Galileo Galilei proved that velocity remains the same no matter the weight. Aristotle was wrong, and for nineteen centuries no one had noticed. Johannes Kepler, another curious fellow, discovered that plants do not rotate in circles when they follow the light over the course of a day. Wasn’t the circle supposed to be the perfect path of everything that revolves? Wasn’t the universe supposed to be the perfect work of God? “This world is not perfect, not nearly,” Kepler concluded. “Why should its paths be perfect?” His reasoning seemed suspicious to Lutherans and Catholics alike. Kepler’s mother had spent four years in prison accused of practicing witchcraft. They must have been up to something. But