It is in this way that self-denial is learned; not always by fasting and retreating into the wilderness. A man conscientious in his duty and in his obligations to his friends is more pious than someone sitting in solitude. The one in solitude does not serve God, he only helps himself by enjoying the pleasure of solitude; but the one who proves trustworthy to every soul he meets, and considers his relationships and connections, small or great, as something sacred, certainly observes the spiritual law of that religion which is the religion of all religions.