Circumcision and the visit at Mamre

Twenty-four years pass between the covenant cut in Genesis 15 and the visit in Genesis 18. Twenty-four years of waiting, of failed attempts, of watching the womb stay closed. The Father is not in a hurry, and Abraham is learning what trust feels like in slow motion.

Then in Genesis 17 the LORD shows up and gives Abraham a new name. Abram becomes Abraham — father of many nations. Sarai becomes Sarah — princess. The names are given before the son is given. The Father says who they are before they have any evidence they are what He says.

He also gives them the sign. Every male among you will be circumcised (Gen 17:10) — a covenant cut into the flesh itself, generations to come. The promise is no longer just spoken. It is written into the body.

And then Genesis 18 happens.

The LORD appears to Abraham at the oaks of Mamre (Gen 18:1) — the trees again, the image-grammar of Eden returning at every turning point in the story. Three visitors come walking. Abraham runs out and welcomes them. Bread. Calf. A table set under the tree.

The Father has been welcomed at Abraham’s table.

And then a sentence comes through the tent flap that Sarah has stopped daring to hope for. Your wife Sarah will have a son. Sarah laughs. Quietly. Privately. The kind of laugh that is half hope and half I can’t even let myself hope anymore. And the LORD hears it and asks one of the most tender questions in Scripture.

Is anything impossible for the LORD? (Gen 18:14)

He is not rebuking her. He is naming the lie underneath the laugh. You think this is too much for me. It is not.

Centuries later, an angel will appear to a young woman in Nazareth and tell her she will bear a son too. She will ask how can this be? And the answer will rhyme with this one. Nothing will be impossible with God (Luke 1:37). The line of the impossible son becomes the line of the only Son. Isaac the laughter-child becomes Jesus the joy of the world.

The Father is still showing up at the trees of Mamre. Still asking is anything impossible for me? Still naming who you are before the evidence catches up.

Today: name the laugh underneath your hope — the place where you stopped daring to believe. Bring it out from under the tent flap. Tell it to the Father out loud. He has heard quieter laughs than yours.