And you, credulous men, show me the effect of your practices! In so many centuries, during which you have been following or altering them, what changes have your prescriptions wrought in the laws of nature? Is the sun brighter? Is the course of the seasons varied? Is the earth more fruitful, or its inhabitants more happy? If God be good, can your penances please him? If infinite, can your homage add to his glory? If his decrees have been formed on foresight of every circumstance, can your prayers change them? Answer, O inconsistent mortals!