If they ask who a fool is, know that a fool is a person who does not distinguish benefit from harm. The fool…

If they ask who a fool is, know that a fool is a person who does not distinguish benefit from harm. The fool is so pitiful that he turns away from a bitter word spoken for his benefit and runs toward a sweet word that rings out for his harm. He is also a fool because he cannot take a lesson from the syrup set out to catch flies. Keep far from a fool: he will kill you without hesitation and just stand there saying, “I didn't know.”