What does Proverbs 28:4 mean?

The Mosaic law was intended to expose sin and encourage righteous living. Shortly before his death, Moses challenged the people of Israel to choose between life and good, death and evil (Deuteronomy 30:15). He explained that by obeying the Lord's commandments, by loving the Lord, by walking in His ways, and by keeping His commandments and statutes, the people would live, multiply, and enjoy God's blessing (Deuteronomy 30:16). However, disobedience would bring punishment. The people would wither out of the Promised Land (Deuteronomy 30:17–18). Moses urged the people to choose life (Deuteronomy 30:19).

This proverb reinforces that same idea. Breaking moral laws is wrong, and so is applauding those who are immoral (Romans 1:32). Forsaking the law is to side with the wicked, whereas to obey the law is to oppose the wicked. Godly people should be speaking truth in love (Ephesians 4:15), against sin (Luke 5:32), not endorsing sin or celebrating those who defy God (Isaiah 5:20).

The apostle Paul urged the believers at Philippi to lead a righteous life and thereby shine as lights in a crooked and twisted generation (Philippians 2:15). Light dispels darkness.