16. Your words count for more than what you give. Even dew gives some relief during a spell of hot weather.
17. Yes, kind words are more effective than the best of gifts, and if you are really concerned, you will give both.
18. It is stupid to be unkind and insulting. No one's eyes are going to sparkle at a gift that you resent giving.
19. Know what you are talking about before you speak, and give attention to your health before you get ill.