that some details of God’s laws changed when society and circumstances changed. The unchangeable nature of God’s law lies in the underlying principles and purposes: the most valuable things on earth are people, not commodities. This is the unchanging ethical principle of the Bible. God supremely loves and values people, and his law teaches every generation to do the same. But how do we know when a law can change—such as the day of the week on which we rest, or one’s dress code? And which laws are