Abraham fell facedown; he laughed and said to himself, ‘Will a son be born to a man a hundred years old? Will Sarah bear a child at the age of ninety?’” – Genesis 17:17
Even when it seemed impossible, God fulfilled His promise. Genesis is filled with God’s promises to His people (Gen 12:2; Gen 17:7; Gen 22:17), and these promises are rooted in His unchanging love and faithfulness, confirmed again by the coming of Christ.