If you want to know what the Old Testament means by the love of God, you must reckon with one word that English cannot quite hold: hesed. Translators have tried “lovingkindness,” “steadfast love,” “mercy,” “unfailing love” — and each catches a facet of a jewel none of them contains.
Love that is also loyalty
Hesed is covenant love — kindness fused with commitment. It is not the love that depends on the loveliness of its object or the mood of the lover, but the love of a partner who has made a bond and will keep it. That is why it can endure betrayal: hesed is precisely the kindness shown when it is no longer owed. Where Greek might separate “love” from “loyalty,” Hebrew binds them in one syllable-pair.
The name God gives himself
When God reveals his character to Moses, the center of the confession is hesed: “The LORD, the LORD, a God merciful and gracious… abounding in steadfast love (hesed) and faithfulness, keeping hesed for thousands” (Exod 34:6-7). This becomes the most-quoted verse in the Hebrew Bible, Israel's creed about God's heart. And it is the taproot of the New Testament's grace and love: the favor that holds when the covenant partner has failed.
New every morning
Hesed is the reason Israel can hope inside catastrophe. Sitting in the rubble of Jerusalem, Jeremiah writes the impossible: “The hesed of the LORD never ceases; his mercies are new every morning; great is your faithfulness” (Lam 3:22-23). And Psalm 136 makes hesed the refrain of all history — twenty-six times, “for his hesed endures forever.” It is the love behind the covenant and the engine of every rescue, finally fulfilled where justification is secured: God keeping faith with the faithless at the cost of his Son.
“I desire hesed and not sacrifice.” — Hosea 6:6, quoted twice by Jesus
Why it still matters
Hesed guards the love of God from two distortions: the sentimentality that makes it soft and conditionless-but-shallow, and the legalism that makes it a wage. God's love is fierce and faithful — bound by covenant, freely given, unbreakable by sin. To be loved with hesed is to be loved by One who will not let you go, not because you have earned it, but because he has bound himself to you. Hosea makes it a marriage that survives adultery; the gospel makes it a cross.
Where This Word Decides Debates
Hesed is the Old Testament foundation beneath grace and covenant love, central to debates over the unity of the Testaments (is the OT God harsh and the NT God kind?), the relationship of love and faithfulness, and the covenant framework of salvation. Jesus's use of Hosea 6:6 makes it a lens on law and mercy.
When This Word Study Proves Too Much
Do not reduce hesed to soft sentiment — it is loyal, covenant-bound love with teeth, the opposite of fickle feeling. Do not pit the “loving” New Testament against a supposedly harsh Old Testament; hesed saturates the Hebrew Scriptures and is the root of New Testament grace. And do not strip its covenant frame to make it mere unconditional niceness — hesed is faithful precisely because a bond stands behind it.