📖 Biblical Definition
Salt in the Bible preserves, covenants, and flavors. Every sacrifice was to be seasoned with salt: "with all your offerings you shall offer salt" (Lev 2:13). "The covenant of salt" is an indissoluble covenant (Num 18:19, 2 Chron 13:5). Lot's wife became a pillar of salt (Gen 19:26). Jesus said "you are the salt of the earth. But if salt has lost its taste, how shall its saltiness be restored? It is no longer good for anything except to be thrown out and trampled under people's feet" (Matt 5:13). Paul: "let your speech always be gracious, seasoned with salt" (Col 4:6). Salt is not optional seasoning in the Christian life; it is the Christian's function in the earth.
📜 Webster 1828 Definition
SALT, n.
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SALT, n. [Sax. sealt.] A substance commonly used to flavor and preserve food; chemically, sodium chloride. In Scripture, salt is the preservative added to every sacrifice, the sign of indissoluble covenant ("a covenant of salt"), and the figure of the Christian's influence in the earth ("you are the salt of the earth"). Salt that loses saltiness is worthless — a warning Jesus applied directly to disciples whose distinctiveness had evaporated.
📖 Key Scripture
Matthew 5:13 — "You are the salt of the earth, but if salt has lost its taste, how shall its saltiness be restored? It is no longer good for anything except to be thrown out and trampled under people's feet."
Leviticus 2:13 — "You shall season all your grain offerings with salt. You shall not let the salt of the covenant with your God be missing from your grain offering."
Colossians 4:6 — "Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person."
Numbers 18:19 — "It is a covenant of salt forever before the LORD for you and for your offspring with you."
⚠️ Modern Corruption
Salt that loses its saltiness is useless. A Christianity indistinguishable from culture has lost the one thing it was called to be.
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Salt preserves because it is different from what it touches. The moment the salt loses its difference, it stops preserving and becomes garbage. Jesus' warning is direct: a Christianity that blends in has failed its vocation. The call is not to be weird but to be distinct — morally, theologically, relationally. Salt is not optional flavoring; it is the Christian's biochemical function.
🔗 Greek & Hebrew Roots
H4417 — melach. G217 — halas.
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H4417 — melach (מֶלַח) — salt; covenantal preservative.
G217 — halas (ἅλας) — salt; used metaphorically for Christian influence.
Usage
"You are the salt of the earth. Salt that is no different from its surroundings is garbage."
"Let your speech be seasoned with salt. Christian words should taste different from the world's."