Trees, Altars, and the Ram in the Thicket: Memory, Substitution, and Why Faith Must Be Tested

Text Summary


Episode 27 of Genesis and the Gates of Hell is the loosest and most wide-ranging session the program has run in some time, and Marshall Bandy admits at the end that they got very little of their actual lesson done. What they got instead was trees, archaeology, the origin of the show’s own name, and one of the better discussions of tested faith the hosts have had.

Marshall opens with a complaint about himself. The program’s introduction promises archaeological and scientific corroboration for the stories in Genesis, and he does not raise it often enough. So he starts with trees. Three of them turn up around Abraham: the tamarisk he planted at Beersheba, the trees of Moreh at Shechem, and the oaks of Mamre where God appeared to him. The hosts work through what a tree meant in that world. It marked a meeting place. It stood for spiritual roots and enduring faith. Clusters of trees functioned as natural sanctuaries, places where people took shelter and sought the divine. Greg notes how many people still say they feel closer to God outdoors than indoors, and Marshall’s take is that a brick house is a human creation while the woods are God’s. Greg thinks of the two trees in the garden.

The distinction Marshall draws next is the sharpest idea in the episode. A stone altar marks something that already happened. It is a memorial, closer to a tombstone, put up so people will know where the thing occurred. Planting a slow-growing tree points the other direction. It is an act of trust in a future the planter will not live to see. Genesis records Abraham planting the tamarisk at Beersheba and calling there on the name of the everlasting God, which the hosts read as a living witness and a declaration of dependence rather than a monument to a past event.

From there Marshall makes his archaeological case. At Hebron, where Abraham built an altar, King Herod constructed a memorial enclosure around it roughly two thousand years ago, and David had marked the site about a thousand years before Herod. Abraham himself is four thousand years back. The structure is still standing and still draws visitors. Marshall’s argument is not that the stones prove anything to a person determined not to believe. It is a question about motive: why would David have bothered, and why would Herod, a client king answerable to Rome, have invested in memorializing that particular spot unless the location was genuinely and continuously remembered. He adds that the oaks of Mamre stood near the well Abraham dug.

Returning to chapter 22, the hosts pick up with Isaac bound on the altar and Abraham’s knife raised. The angel of the Lord, whom commentators generally identify as the Lord Himself, calls from heaven, Abraham, Abraham, and Abraham answers, here am I, a response Marshall says he loves. The hand is stayed. Now I know that thou fearest God, the voice says, seeing thou hast not withheld thy son, thine only son from me. Greg flags the phrase again. Ishmael exists, and God does not count him. The hosts also take up the doubled name. Some Jewish commentators hold that a name repeated this way carries both a spiritual and a worldly sense. The simpler reading is urgency, God making certain He is heard at the exact moment the knife is coming down, even though He could plainly have stopped it by other means.

Then the ram appears in the thicket, and Marshall uses it to explain something he had not connected before: why Israel blew a horn, at Jericho and everywhere else. The shofar traces back to this substitute, the animal God provided in place of the son. Abraham names the place The Lord Will Provide, and the text notes that to this day it is said, on the mountain of the Lord it shall be provided. The hosts see Christ in both figures, Isaac as the son who carries the wood and the ram as the substitute who dies instead. The angel calls a second time and God swears by Himself that because Abraham did not withhold his son, his only son, He will bless him and multiply his descendants as the stars of the sky and the sand of the seashore. The hosts try to recall another image God used for the same promise, and land tentatively on the dust of the earth.

The last stretch does the most work. Greg brings in a line from Oswald Chambers he read that week and did not like: faith must be tested. He sat with it and came around. If faith has never been put to the test, how much faith is it. He identifies fear as the enemy of faith, the reason people do not step out, whether from doubt that God will act or dread of what happens if He does not. Christ told the disciples they were of little faith, and Greg’s corollary is that little faith means great fear. Then he makes the point about Abraham that reframes the whole chapter. God was not gathering information. God knew what Abraham would do. The test was for Abraham’s benefit, so that a man could walk three days with his son toward a mountain, turn the question over in his mind a hundred times, and not turn back. What Abraham carried away from that mountain was a strength of faith and a bond with God he could not have had otherwise. Both hosts agree, without enthusiasm, that their own faith has been tested. Marshall closes on Deuteronomy 11 and the ceremony Moses commanded, blessings proclaimed from Mount Gerizim and curses from Mount Ebal near the great trees of Moreh, the same trees Abraham stood among at Shechem centuries earlier, positioned in the valley between blessing and curse. He also previews what is coming: next week they say goodbye to Sarah, then to Abraham, and then Rebekah and Isaac take over the narrative.


5 Key Topics Covered in This Episode

1. Why the Trees Matter: The Difference Between an Altar and a Sapling

Three trees attach themselves to Abraham’s story, and Marshall wants them sorted out. The tamarisk was planted at Beersheba after the treaty with Abimelech. The trees of Moreh stood at Shechem. The oaks of Mamre were where God appeared to Abraham and promised him the land. What a tree signified in that culture goes well beyond shade. It marked a meeting place. It symbolized spiritual roots and enduring faith. Stands of trees served as natural sanctuaries, and Marshall describes them as places where people took shelter and communed with the divine. Greg observes how often people still report feeling nearest to God outdoors, and Marshall’s reply is that a house is a human construction while the woods are God’s own handiwork. Greg thinks of the two trees planted in Eden. But the distinction Marshall draws is the part worth keeping. A stone altar memorializes something that has already occurred, functioning much like a tombstone, erected so later generations know where it happened. Planting a slow-growing tree is the opposite gesture. It is an investment in a future the planter will never see, and therefore an expression of deep trust. Genesis records Abraham planting the tamarisk at Beersheba and calling on the name of the Lord, the everlasting God, which makes the tree a living witness rather than a marker of the past.

2. Hebron, Herod, and David: A Memorial That Outlasted Three Thousand Years

Marshall’s archaeological argument turns on continuity of memory rather than on artifacts alone. Abraham built an altar at Hebron roughly four thousand years ago. David, about three thousand years ago, built a memorial around that site. Herod, about two thousand years ago, built a larger enclosure around the same spot, and the structure still stands in Hebron and still receives visitors today. Marshall acknowledges the obvious objection. If you have no faith and do not believe in God, all of this is easily dismissed. But he presses on motive instead of on stones. Why would David have gone to that trouble? Why would Herod, a half-Jewish client king whose actual loyalty ran to the Roman emperor and who had been installed for exactly that reason, have spent resources monumentalizing a patriarch’s altar unless the location was genuinely and continuously known? The probability that three separate builders across two thousand years independently landed on the wrong spot strikes him as low. He adds that the oaks of Mamre grew near the well Abraham dug, tying the trees, the altar, and the water source into a single remembered place.

3. “Abraham, Abraham”: The Stayed Hand, the Ram, and the Shofar

With Isaac bound and the knife raised, the angel of the Lord calls out of heaven, and the hosts note that commentators generally take this angel to be the Lord Himself. The call comes as a doubled name, Abraham, Abraham, and Abraham answers, here am I, which Marshall singles out as a beautiful response. The instruction is to lay no hand on the boy, and the reason given is that now God knows Abraham fears Him, seeing he did not withhold his son, his only son. Greg flags that phrase once more: Ishmael is alive and God does not count him. On the repeated name, the hosts offer two readings. Some Jewish commentators hold that doubling carries a spiritual sense alongside a worldly one. The plainer reading is urgency, God making absolutely certain of being heard at the precise second the blade was descending, though as Greg notes He could have frozen the moment supernaturally had He wished. Then Abraham looks up and sees a ram caught in a thicket. Marshall connects this to something he had never traced before, the Israelite use of the horn, at Jericho and throughout their history. The shofar comes from this ram, the substitute God supplied in place of the son. Abraham names the place The Lord Will Provide, and the text adds that the saying persists, that on the mountain of the Lord it shall be provided. Both the son who carried the wood and the ram that died in his place point at Christ.

4. The Gates of Hades at Caesarea Philippi: Pan, Panic, and the Show’s Own Name

Greg takes a detour into something he had discovered about the phrase the program is named after. The text at Caesarea Philippi actually reads the gates of Hades. That location has been archaeologically established as a center of the worship of Pan, and there was an opening in the limestone cliff face there understood to be the dwelling place of the god. The linguistic connection Greg draws is that our word panic descends from Pan, who was believed to induce sudden and disproportionate terror. The phrase gates of Hades, he explains, carried the sense of the imprisonment of death. Read that way, Christ standing in front of that particular cliff and declaring that the gates of Hades will not prevail is a statement that death itself will not hold, that He would have victory over it. Which He did, in the resurrection. Greg ties it to Revelation, where Christ describes Himself as the one who was dead and is alive, holding the keys of death and Hades. It is a compact piece of background on why the show carries the name it does.

5. Faith Must Be Tested: Oswald Chambers, Fear, and the Three-Day Walk

Greg had said the previous week that he did not believe he could do what Abraham did, that God would simply have to forgive him, because the command looks a great deal like murder and he does not have that kind of faith. Reading Oswald Chambers that week, he ran into a line he initially disliked. Faith must be tested. Marshall’s response is that Chambers often has that effect. Greg sat with it and conceded the point. If your faith has never been tested, you do not have much of it. He then names what he believes stands in the way: fear is the archenemy of faith. We hesitate because we doubt the thing will happen, or doubt God can bring it about, or fear what will come of us if we step out. Christ repeatedly told the disciples they were of little faith, and Greg’s inversion is that little faith and great fear are the same condition described from two sides. Where this reframes chapter 22 is in what the test was for. Greg does not believe God was uncertain about the outcome. God knew. The test was administered for Abraham’s sake, and what Abraham gained was a strength of faith and a closeness to God available no other way. The hosts sit with the three-day walk toward the mountain and what must have run through a father’s mind across those days, how many times he could have reconsidered and turned back, and did not. He had already sacrificed his son in his heart before God stopped his hand, and that is what God called fearing Him. The application the hosts leave listeners with is uncomfortable and deliberate. Faith that has not been tested is untested faith, and both of them acknowledge, without looking forward to it, that theirs have been.


Genesis and the Gates of Hell airs weekly. Hosted by Marshall Bandy and Greg Grayson.

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Episode 27