If you walk in my statutes and observe my commandments and do them, then I will give you your rains in their season, and the land shall yield its increase, and the trees of the field shall yield their fruit. Your threshing shall last to the time of the grape harvest, and the grape harvest shall last to the time for sowing. And you shall eat your bread to the full and dwell in your land securely.

What is the fourth commandment? The fourth commandment is, remember the Sabbath to keep it holy. What does the fourth commandment teach us? To keep the Sabbath holy. What day of the week is the Christian Sabbath? The first day of the week, the Lord's day.