Luke 14:34-35 - On Being Salty

Luke 14:34-35 (ESV)

[34] “Salt is good, but if salt has lost its taste, how shall its saltiness be restored? [35] It is of no use either for the soil or for the manure pile. It is thrown away. He who has ears to hear, let him hear.”

We tend to use salt in two ways. We use it as a preservative and as a flavoring. But salt, particularly the impure salt harvested from the Dead Sea or similar sources, had other uses. When over applied to soil it tends to kill plants, but when applied in the right amount it becomes a fertilizer. It is still used in parts of the world in this way. When applied to a manure pile it enhances the fertilizing properties of the manure. So salt not only flavors and preserves, it promotes growth.

Pure salt, sodium chloride, doesn’t lose its saltiness, but the impure salt harvested through drying can lose its saltiness if the sodium chloride dissolves. For Jesus’ purposes the idea of impure salt versus pure salt is not particularly helpful. That suggests to our minds ideas of moral purity and impurity, but that’s not the point. When Jesus says “salt,” he is referring to this salt from the Dead Sea that is good for making things grow unless it loses its saltiness. Then it’s useless

In the previous verse Jesus said, “any one of you who does not renounce all that he has cannot be my disciple.” Then he goes on to talk about losing one’s saltiness. It makes me wonder how much lack of spiritual growth, how much lack of spiritual influence, is the result of Christians who have lost their saltiness due to what James called doublemindedness (Jas 1:8). Salt that has lost its saltiness is good only to be thrown away. The good news is that it’s not true of people. Confession and repentance can restore saltiness. May we be salt that produces growth.


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