Just as liberty is being misused and abused in America today, so Israel misused their liberty in the Old Testament. Paul uses their failures to instruct the church at Corinth…
Make a joyful noise unto the LORD, all ye lands. Serve the LORD with gladness: come before his presence with singing. Know ye that the LORD he is God: it is he that hath made us, and not we ourselves; we are his people, and the sheep of his pasture. ~ Psalm 100:1-3