No doubt hard work is a great police agent. If everybody were worked from morning till night, and then carefully locked up, the register of crime might be greatly diminished. But what would become of human nature? Where would be the room for growth in such a system of things? It is through sorrow and mirth, plenty and need, a variety of passions, circumstances, and temptations, even through sin and misery, that men's natures are developed.
Always win fools first. They talk much, and what they have once uttered they will stick to; whereas there is always time, up to the last moment, to bring before a wise man arguments that may entirely change his opinion.
Be cheerful [and grateful for the good that you have]: do not brood over fond hopes unrealized until a chain is fastened on each thought and wound around the heart. Nature intended you to be the fountain-spring of cheerfulness and social life, and not the mountain of despair and melancholy.
A great and frequent error in our judgment of human nature is to suppose that those sentiments and feelings have no existence, which may be only for a time concealed. The precious metals are not found at the surface of the earth, except in sandy places.
If you are often deceived by those around you, you may be sure that you deserve to be deceived; and that instead of railing at the general falseness of mankind, you have first to pronounce judgment on your own jealous tyranny, or on your own weak credulity.