Two times God appears to Abraham, but this time is utterly different than the last time. This time, God has come to get Sarah’s attention. In Genesis 15, God speaks to Abraham in dread darkness as an unapproachable thing. Here, in Genesis 18, in the heat of the day and in the most approachable possible way, God has come not so much to talk to Abraham—he has come to talk to Sarah. God is going to establish Sarah in his promise. We’ll look at 1) why, 2) how, and 3) what lessons we can draw out. This...