What does Psalm 37:23 mean?

The Lord is in control of the life of a righteous man, and the Lord delights in his course of life. Surely, a righteous person may stumble and even fall, but the Lord will protect him (Psalm 37:24). In Psalm 40:2 David writes: "He drew me up from the pit of destruction, out of the miry bog, and set my feet upon a rock, making my steps secure." Much of the advice given in books such as Proverbs emphasizes how following God's instruction is much more likely to result in good outcomes (Proverbs 3:1–2).

God can keep those who submit to Him from sin (1 Corinthians 10:13), and He will accomplish their salvation and sanctification (Jude 1:24–25). If we do stumble, as the apostle Peter did by denying the Lord, the Lord is able to restore us to Himself (1 John 1:9; Psalm 37:24). Also, if we see a believer stumble into sin, we have a duty to restore that believer in a spirit of gentleness. In the process, we should keep a watch on ourselves, lest we too, are tempted (Galatians 6:1).