Do you think... that men have always massacred each other, as they do today? Have they always been liars, cheats, traitors, brigands, weak, flighty, cowardly, envious, gluttonous, drunken, grasping, and vicious, bloody, backbiting, debauched, fanatical, hypocritical, and silly?
Every one should be his own physician. We ought to assist, and not to force nature. Eat with moderation...Nothing is good for the body but what we can digest. What medicine can procure digestion? Exercise. What will recruit strength? Sleep.
The institution of religion exists only to keep mankind in order, and to make men merit the goodness of God by their virtue. Everything in a religion which does not tend towards this goal must be considered foreign or dangerous.