1. Dead flies can make a whole bottle of perfume stink, and a little stupidity can cancel out the greatest wisdom.
2. It is natural for the wise to do the right thing and for fools to do the wrong thing.
3. Their stupidity will be evident even to strangers they meet along the way; they let everyone know that they are fools.
4. If your ruler becomes angry with you, do not hand in your resignation; serious wrongs may be pardoned if you keep calm.