Salt, Light, and Credibility: What Real Christian Witness Looks Like Today

 5 Sunday OT, Year A

In a world filled with loud public claims of Christianity that are not always compelling, Jesus reminds his followers that true witness is measured not by volume or power, but by credibility. Through the images of salt and light, the Gospel shows that Christians are called to draw out the goodness in others and to reveal what is life-giving, without overpowering or dominating. Authentic Christian witness makes God visible not through force or status, but through a quiet presence that enhances goodness and illuminates the path toward Christ.


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Sometimes people suggest that one of the problems Christians face in the world today is that they need to be quiet about their faith, or that they should not really show it to others. Certainly, in some parts of the world, Christians do face persecution, and it is also true that at times people may feel embarrassed or hesitant about practising their faith openly. But despite these challenges, it is difficult to say that Christianity is always quiet in the public sphere. In fact, there are many very loud expressions of Christianity in the world today.

For example, one could argue that the Super Bowl is one of the days of the year when the most prayers are offered. In many sporting events, athletes quite openly make the sign of the cross, whether at the Olympics or the World Cup. In politics as well, we often hear public figures quoting the Bible or referencing the fact that they are Christians and followers of Jesus. Christianity, it seems, is not always subtle or hidden. And yet, these loud expressions are not always compelling. At times, they even push people away.

What seems to be missing is not volume, but credibility. In fact, simply saying that one is Christian can sometimes act less like an announcement of good news and more like a warning sign. Christianity can acquire a bad reputation, not because of the Gospel itself, but because of the way it is sometimes embodied. This is not new. Throughout history, people with power or wealth have often claimed the Christian name while living lives very far from the Gospel. In the early centuries after Christianity was legalized, many Roman emperors called themselves Christians, yet their lives bore little resemblance to Christ. Later, during the Renaissance, some popes, despite being regarded as the vicars of Christ, lived in ways that were deeply scandalous. The same pattern continues today when those in positions of power claim Christianity while offering an example that contradicts the message of Jesus.

In today’s Gospel, Jesus seems to anticipate this problem. He offers two simple but profound images that show us what credible Christian witness looks like: salt and light. Both images point to a way of being present in the world that is not forceful or domineering, but transformative in a quieter and more authentic way.

Consider first the image of salt. In the time of Jesus, salt was extremely valuable. The word salary itself comes from the fact that Roman soldiers were sometimes paid with salt. Salt was used to preserve food, to disinfect wounds, and, as today, to enhance flavour. It is this last use that is especially helpful. When used properly, salt draws out the goodness of what is already there. But too much salt can ruin a dish.

I remember when I was in elementary school becoming interested in cooking and baking, long before you could look everything up online. I once attempted to make meringue, those baked desserts made from whipped egg whites and sugar. The recipe called for just a small amount of salt, but I misunderstood what that meant and added far too much. The result was inedible and had to be thrown away. Salt, when it overpowers, destroys rather than enhances.

The same can be true of Christian witness. When Christianity becomes overbearing or dominating, it ceases to be attractive. There are forms of Christianity that imply that believers are better than others or that seek to control rather than serve. This is not credible witness. To be salt in the world means helping to draw out the goodness already present in others, helping people recognize the dignity and goodness with which God has created them.

The image of light carries a similar meaning. Today we take light for granted. We simply flip a switch. In the ancient world, light was precious and difficult to come by. Yet light, too, can be misused. I was driving recently on a rainy evening when a car approached from the opposite direction with extremely bright headlights. They were so intense that they actually made it harder to see. Good light, however, does the opposite. It illuminates the path, reveals direction, and allows us to move safely.

Light should never blind. It should reveal. Think of a sunrise. Gradually, what was hidden in darkness becomes visible, and the beauty of creation emerges. When Jesus calls us light, he is inviting us to live in a way that reveals goodness, that helps others see both the path forward and the beauty already present in their lives. Christian witness should illuminate, not overwhelm. It should guide, not dominate.

In today’s Gospel, Jesus invites us to reflect seriously on what kind of witnesses we are. When people think of a Christian, what comes to mind? Someone who claims faith but contradicts it in practice, or someone whose presence brings out goodness, sheds light, and quietly points toward God?

As we continue with this Mass and enter the coming week, perhaps one final question is worth considering. Imagine that someone encounters you this week and knows that you are a Christian. Imagine, in fact, that you are the only Christian they ever meet. What kind of picture of Christ would your life give them?