¹⁵ My dear brothers and sisters, here’s a real-life example I can give you: With a last will and testament, when all the property is accounted for, the document is signed, witnessed, and notarized; and afterward no one can make changes to it. ¹⁶ In a similar way, God’s promises established a binding agreement with Abraham and his offspring. In the Scriptures, it is carefully stated, “and to your descendant” (meaning one), not “and to your descendants”^[a] (meaning many). Therefore, in these covenant promises, God was not referring to every son and daughter born into Abraham’s family but to the Anointed One to come. ¹⁷ What this all means is that the law given to Israel comes along some 430 years after the promise made to Abraham; so it does not invalidate the covenant God previously agreed to or in any way do away with His promise.