15. The right knowledge can bring you gold, pearls, and other expensive things.
16. If someone promises to pay the debt of a stranger, get a coat or something from him to keep until the debt is paid.
17. It may seem to be a good thing to get something by cheating, but in the end, it will be worth nothing.
18. Get good advice when you make your plans. Before you start a war, find good advisors.
19. You cannot trust someone who would talk about things told in private. So don’t be friends with someone who talks too much.