Background: God's Covenant: A Story of Amazing Grace

Reading time: 5 minutes

God’s Covenant: A Story of Amazing Grace

Opening: The cup we share

Every time we approach the chalice, the priest says words rooted in a single ancient idea: covenant. “This is my blood of the new covenant, shed for you and for many.” Before we can appreciate what is new about that covenant, it helps to understand what covenants were in the world Scripture was written into — because the God of Israel took a common ancient institution and did something with it that nobody expected.

How covenants worked in the ancient world

In the ancient Near East, belonging to a family meant survival itself — provision, protection, identity. If you weren’t born into a strong family, one of the few doors in was covenant: a formal, binding relationship that functioned like kinship even between strangers. Covenants between equals made you something like brothers. But the more common kind, especially between nations, was a covenant of conquest: the stronger party became “father” or “master,” the weaker became “son” or “servant.” The stronger nation had real authority over the weaker one and could demand tribute — but it was also obligated to defend the weaker party, precisely because the weaker party was now, in effect, family. We see this exact dynamic when Joshua, tricked into a covenant with the Gibeonites, is nonetheless bound to defend them against the Amorites, whether he likes it or not (Joshua 9–10).

These treaties followed a standard five-part shape: a grand self-introduction from the stronger party, a prologue recalling past kindness (meant to make the weaker party want to enter the covenant, not merely fear it), the specific demands, blessings for obedience and curses for breaking faith, and finally witnesses — usually the gods of the stronger nation — called to guarantee the whole thing. The phrase “cutting a covenant” comes from the sacrificial ceremony that sealed it: animals cut in half, arranged in two rows, with the weaker party walking between the pieces as a vivid, deliberately intimidating picture of what would happen to him if he broke his word.

God rewrites the terms with Abraham

Genesis 15 stages this exact scene with Abraham — sacrifices cut in half, arranged in the customary way. But then the story does something no covenant of conquest ever did: it is not Abraham, the weaker party, who walks between the pieces. It is God himself, appearing as fire, who passes through and takes the curse upon himself in advance. When Abraham later breaks faith — as he does — the weight of that broken covenant does not fall where every ancient reader would expect it to fall, on the weaker party. God has already absorbed it.

This is worth sitting with for a moment, because it previews something at the very center of our faith. The covenant curse, taken up by God on behalf of the one who cannot keep his word, points forward to the cross, where God’s own Son bears what we could not bear ourselves. Every Divine Liturgy proclaims exactly this: not a contract we managed to fulfill, but a covenant God kept on both sides.

Sinai and the pattern of mercy

The same five-part covenant structure appears again at Sinai, almost word for word: “I am the Lord your God” (the self-introduction), “who brought you out of Egypt, out of the land of slavery” (the prologue recalling grace already shown, before any demand is made), the commandments (the demands, opening fittingly with the call to worship God alone), blessing and curse in Deuteronomy 28, and finally heaven and earth themselves called as witnesses. Notice the order: grace comes before law. God rescues Israel from Egypt first, and only then gives the commandments — the covenant is never a ladder Israel must climb to earn deliverance already given.

And crucially, the terms were never impossible. Unlike so many ancient treaties designed to set the weaker party up to fail, God’s people genuinely could have kept faith. They simply, repeatedly, chose not to. Even so, God calls himself Israel’s Father throughout — a Father who, bound by his own covenant word, remains faithful even when Israel is not. Scripture has a rich word for this: hesed, covenant loyalty, rendered variously as love, mercy, goodness, faithfulness — never merely contractual, always personal.

Why this matters for reading Revelation

Revelation is soaked in covenant language and covenant expectation — blessing and curse, witnesses, a Bridegroom and a Bride, a new Jerusalem descending as the fulfillment of every promise made and kept. None of its warnings make sense apart from this deeper structure of grace preceding demand. When the seven churches are judged, they are not being judged as strangers meeting a new standard for the first time; they are covenant partners being called back to a faithfulness God’s grace has already made possible. This is not a book about God suddenly changing the rules on people. It’s the record of a covenant-keeping God confronting covenant-breaking people with the patience — and, eventually, the justice — that covenant loyalty always required.

Closing

The bread and wine we receive each time we gather are the sign of a covenant sealed not by our own walk between the pieces, but by God’s. That is the amazing grace this whole story has been building toward since Genesis 15: a covenant we could never have kept on our own, kept for us instead, in blood that was not ours to shed.