Genesis 15 tells the account of Abram cutting covenant with God. God made him a promise and Abram said, “how canI know it’s really going to happen?” God’s response would be the modern equivalent of saying, “I’ll put it in writing.”
He used the then method of committing to something: he made a covenant. Today we would write up a contract and sign it. A contract signifies obligation. The person is obligated to keep their commitment under legal penalties. Of course, there is no one greater than God, who can force him to keep his commitment. So says in Hebrews 6:13, “When God made his promise to Abraham, since there was no one greater for him to swear by, he swore by himself.”
God reassured Abram by sealing his commitment in a culturally appropriate manner, he cut covenant. Today we have the written Word of God. What promise of God do you need reassurance of today? Look it up. He’s put it in writing.
