What does Psalm 94 14-23 mean?

Answer 1

In Psalm 14, David is explaining that it is foolish not to believe in God. He claims that without God, man can do no good because of our sinful nature. Those who do not believe in God are susceptible to hatefulness and corruption.

Answer 2

In these verses, the Psalm is speaking for those who have been victims of the wicked. It expresses hope, and trust in God's judgment, and confidence in the eventual downfall of the wicked.