V.1-12 A fool is mentioned quite a few times. A wise person was the opposite. Today, however, we understand things differently, because the Holy Spirit lives in the heart of every true believer, and teaches us. We also know that all unsaved people are surely foolish. However, we believers are often foolish too.
V.13-16 A slothful person is one who will not take his own responsibilities.
V.13 He imagines danger where there is none.
V.16 A sluggard is a slow, lazy person. He does not need to learn. He thinks he knows all!
V.17-22 A believer, is not to be a busybody.
V.20 If we don’t carry a story about others it is soon forgotten.
V.23 Real evil covered over with the appearance of good.
V.24-28 Deceiving others is an evil in the sight of God.