Salt and Light
Matthew 5:13-16
Influence is the ability to affect the circumstances,
Jesus telling those who would follow Him, and live their lives according to the beatitudes will be serving as salt and light. The world needs salt because it is corrupt and light because it is in darkness.
In both verse 13 and verse 14 the pronoun you is emphatic. The idea is, “You are the only salt of the earth” and “You are the only light of the world.” The world’s corruption will not be retarded and its darkness will not be illumined unless God’s people are its salt and light. The very ones who are despised by the world and persecuted by the world are the world’s only hope.
You are, stresses being rather than doing. Jesus is stating a fact, not giving a command or request. Salt and light represent what Christians are. The only question, as Jesus goes on to say, is whether or not we are tasteful salt and effective light. The very fact that we belong to Jesus Christ makes us His salt and light in the world.
SALT IS AN INFLUENCE
Salt had a significant place in Hebrew worship. It was included in the grain offering (Lev. 2:13), the burnt offering (Ezek. 43:24), and the incense (Ex. 30:35). Part of the Temple offering included salt (Ezra 6:9). It was also used to ratify covenants (Num. 18:19; 2 Chr. 13:5). Newborn babies were rubbed with salt in the belief that this promoted good health (Ezek. 16:4).
Both salt and light are unlike that which they are to influence. God has changed us from being part of the corrupted and corrupting world to being salt that can help preserve it. He has changed us from our own darkness to be His agents of giving light to others. By definition, an influence must be different from that which it influences, and Christians therefore must be different from the world they are called to influence. We cannot influence the world for God when we are worldly ourselves. We cannot give light to the world if we revert to places and ways of darkness ourselves.
Salt has always been valuable in human society, often much more so than it is today. During a period of ancient Greek history it was seen as divine. The Romans held that, except for the sun, nothing was more valuable than salt. Often Roman soldiers were paid in salt, and it was from that practice that the expression “not worth his salt” originated.
In many ancient societies salt was used as a mark of friendship. For two persons to share salt indicated a mutual responsibility to look after one another’s welfare. Even if a worst enemy ate salt with you, you were obliged to treat him as a friend.
Salt was frequently used in the ancient Near East to bind a covenant, somewhat in the way an agreement or contract is notarized in our day. When the parties to a covenant ate salt together before witnesses, the covenant was given special authentication. Though no particulars are given in the account, we learn from 2 Chronicles 13:5 that God made a covenant of salt with David. God prescribed that all sacrificial offerings in Israel were to be offered with salt “so that the salt of the covenant of your God shall not be lacking” (Lev. 2:
HOW DOES SALT INFLUENCE
In numerous ways Jesus’ hearers-whether Greek, Roman, or Jewish-would have understood salt of the earth to represent a valuable commodity. salt always stood for that which was of high value and importance.
Christians are to add divine flavor to the world. Just as many foods are tasteless without salt, the world is drab and tasteless without the presence of Christians. Someone has even said, “We Christians have no business being boring. Our function is to add flavor and excitement to the world.” Christians are a means of God’s blessing mankind, including unbelievers, just as He sends His sun and rain on the righteous and unrighteous alike.
Because salt stings when placed in a wound, some interpreters believe that Jesus meant to illustrate just the opposite characteristic to that of flavor. Christians are to sting the world, prick its conscience, make it uncomfortable in the presence of God’s holy gospel.
That analogy has some merit. The church frequently is so concerned with trying to please, attract, and excuse that its witness against sin is obscured and all but lost. We may be so concerned with not offending others that we fail to confront them with their lostness and their desperate need to be saved from their sin. A gospel that does not confront sin is not the gospel of Jesus Christ.
Salt also creates thirst. Partly because it increases the body’s craving for water, salt tablets often are given to those who do hard work in excessive heat. Without proper intake of fluids, dehydration and even death may result. God intends for His people so to live and testify before the world that others will be made more aware of their spiritual dehydration and danger. A person may see our peace in a trying circumstance, or our confidence in what we believe, and thereby be persuaded to try our faith.
I believe the primary characteristic Jesus emphasizes is that of preservation. Christians are a preserving influence in the world; they retard moral and spiritual spoilage. When the church is taken out of the world at the rapture, Satan’s perverse and wicked power will be unleashed in an unprecedented way (see 2 Thess. 2:7–12). Evil will go wild and demons will be almost unbridled. Once God’s people are removed it will take only seven years for the world to descend to the very pits of hellishness (see Dan. 9:27; Rev. 6–19).
Jesus is not calling his disciples to a monastic order to separate themselves from the world, but the opposite, Christians must permeate society as agent of redemption, we must arrest corruption and prevent moral decay in this world.
SALT CAN LOOSE ITS INFLUENCE
MT 5;13 but if the salt hath lost its savour, with what shall it be salted? it is then good for nothing, but to be cast out, and to be trodden under foot by men.
How does salt loose it saltiness, or allow decay, when it is mixed with various impure substances it becomes worthless as a preservative. If Christians do not function as they should, believers that fail to arrest corruption become worthless as agents of change and redemption, Christians may
make peace with the world and avoid persecution, but it is then that they loose they strength as salt and in turn will be rejected by those with whom they sought compromise.
Much salt in Palestine, such as that found on the shores of the Dead Sea, is contaminated with gypsum and other minerals that make it taste fiat and even repulsive. When a batch of such contaminated salt would find its way into a household and be discovered, it was thrown out. People would be careful not to throw it on a garden or field, because it would kill whatever was planted. Instead it would be thrown onto a path or road, where it would gradually be ground into the dirt and disappear.
There is a sense in which salt cannot really become unsalty. But contamination can cause it to lose its value as salt. Its saltiness can no longer function.
Jesus is not speaking of losing salvation. God does not allow any of His own to be taken from Him. “My sheep hear My voice, and I know them, and they follow Me; and I give eternal life to them, and they shall never perish; and no one shall snatch them out of My hand,” Jesus assures us (John 10:27). Christians cannot lose their salvation, just as salt cannot lose its inherent saltiness. But Christians can lose their value and effectiveness in the kingdom when sin and worldliness contaminate their lives.
YOU ARE THE LIGHT
By its nature and by definition light must be visible in order to illuminate. Christians must be more than the largely indirect influence of salt; they must also be the direct and noticeable instruments of light.
Both in the daytime and at night, a city set on a hill cannot be hidden. It is exposed for all to see. By day its houses and buildings stand out on the landscape, and at night the many lights shining out of its windows make it impossible to miss. A secret Christian is as incongruous as a hidden light. Lights are to illuminate, not to be hidden; to be displayed, not to be covered. Christians are to be both subtle salt and conspicuous light.
God did not give the gospel of His Son to be the secret, hidden treasure of a few but to enlighten every person (John 1:9). Many reject the light and reject those who bring it, but just as God offers His light to the whole world, so must His church. It is not our gospel but God’s, and He gives it to us not only for our own sakes but the entire world’s. True believers are salt and light, and must fulfill that identity.
It is hard for us to see and understand what it means to be in a place shrouded in thick darkness, to the point in which a far a way light can illuminate,
Matthew 5:15 Neither do men light a lamp, and put it under a basket, but on a lampstand; and it giveth light to all that are in the house.
Light, too, is in danger of becoming useless. Like salt, it cannot lose its essential nature. A hidden light is still light, but it is useless light. That is why people do not light a lamp, and put it under the peck-measure, but on a lampstand; and it gives light to all who are in the house. The exemplary woman praised in Proverbs 31 does not let her lamp go out at night (v. 18). There was always illumination for anyone in the household who had to get up or find his way home during the night. A light that is hidden under a peck-sized basket cannot even be used to read by; it helps neither the person who hides it nor anyone else.
Whether we hide our light because of fear of offending others, because of indifference and lovelessness, or because of anything else, we demonstrate unfaithfulness to the Lord.
Letting our light shine before men allows them to see our good works, the beauty the Lord has worked in us. To see good works by us is to see Christ in us. That is why Jesus says, let your light shine. It is not something we create or make up, but something we allow the Lord to do through us. It is God’s light; our choice is whether to hide it or let it shine.
The purpose of letting our light shine and reveal our good works is not to bring attention or praise to ourselves but to God. When what we do causes people to be attracted to us rather than to God, to see our human character rather than His divine character, we can be sure that what they see is not His light.
All of us are like the poor child at first, we become rich in Jesus, and then we use it to share what we have been given to others, we influence others for good.