Just as light enables genuine objects to be seen, Jesus enables genuine truths to be known. God, eternal life, forgiveness, adoption, the indwelling of the Spirit – these are not just comforting ideas for unstable souls. These are truths as solid at mountains, trees, and boulders – the very truths upon which the universe itself is built.

One of the great dangers of being an adult is feigned competence. After having lived several decades, we slip into thinking that we have the wisdom and strength needed to manage our lives. Without being fully aware of what is going on, the attitude of dependence evaporates and we are left in a hardened state of self-reliance.

One of the ways we can avoid this threat is by meditating on Jesus’ words, “I am the light of the world”. Like a lot of Jesus’ statements, these words have unfathomable depth. We need to avoid the mistake of thinking that, because we may have heard these words countless times before, the meaning of the words has somehow been exhausted. A lot of Biblical truths are like a coat of paint that needs to be reapplied to the heart regularly. Knowing about a truth and living a truth are not the same, and, as many an old Christian will attest, often it is the most simple of truths to understand which are the most difficult ones to put into practice.

To understand Jesus’ words, we need to pause and reflect on the human relationship with ordinary, natural light. Let me quickly make five observations about the way light affects our daily existence. First, light is something outside of us. If we close our eyes, we do not discover there to be an “inner light” that enables sight. Rather, to shut our eyes is to be in darkness. Second, light illuminates the world around us. Although, at times, light can result in a mirage, in most cases what we see around us is real and true. Because of light, we can see objects that – though always present – were invisible in the darkness. Third, light enables safe movement. Anyone who has tried to take a walk in the pitch dark has felt the hazard of not being able to see obstacles. It is only when we have a clear path in front of us, that we can move freely. Fourth, light overcomes darkness. Darkness is nothing in and of itself.

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