In Genesis 18, three visitors come to Abram’s tent and share a remarkable promise with him and his wife Sarai. This promise is a key moment in the biblical narrative and has significant implications for the future of Abram’s family and the world as a whole. The visitors promise Abram and Sarai that they will have a son within a year, despite the fact that they are both advanced in age and have been unable to conceive a child up to this point. This promise is significant for a number of reasons.…