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Reality does not reveal itself to us; we reveal reality to ourselves. We think we understand what is in front of us, until we realize we are only interpreting stimuli, not perceiving it directly. In my previous post, The Scale Problem, I wrote about how limited human perception really is. We only ever see a reduced version of reality, never the full thing. Once we understand those limits, it becomes clear how easy it is to get things wrong. Not because we are foolish, but because we are small, no matter how prodigious we perceive ourselves to be.

Our perception is selective. We can stare so closely at the leaves that we miss the entire tree, or stare so broadly at the forest that we miss what, or who, is standing in the middle of it. Either way, we are not seeing accurately. We are seeing selectively.

Scripture describes this constantly. In Matthew 13:13–16 (NIV), Jesus says, “Though seeing, they do not see; though hearing, they do not hear or understand.” Jesus’ repeated words about having “ears to hear” are not about physical hearing. They are about the orientation of the heart. Sight and hearing are not neutral senses. Interpretation is neither automatic nor universal. We bring ourselves to what we see.

Jesus made this same point with the Samaritan woman. He told her that whoever drinks the water He gives will “never thirst again,” but He was not promising the end of desire. He was reorienting it. Believers would still feel thirsty, but they would stop returning to empty wells. Those who trusted His promise interpreted His words correctly. Those who didn’t walked away disappointed, assuming Jesus had failed them. Personal interpretation shaped the message they received.

One afternoon I was driving through our neighborhood and glanced across the horizon. In the middle of an ordinary sky, far in the distance, a shape formed that made me stop the car. It looked like a cross. It wasn’t dramatic or overwhelming. It was quiet enough to ignore, but clear enough to notice.

I pulled over, stepped out, and took a picture.

Later, when I showed the photo to others, the responses split. Some saw the cross immediately. Others insisted it was a trick of the light or a coincidence of clouds. The sky did not change. The image did not change. Only the interpretation changed, and what was interesting to me was that the people who argued it was not a cross became immediately agitated upon seeing the picture, saying something to the effect of “I know what you THINK you see.”

The difference was not the object. It was the sight the viewer brought to it. Human perception is not passive. It selects. It edits. It reinforces whatever posture the heart already holds.

C. S. Lewis pictured this brilliantly in The Last Battle. The dwarfs sit together in a bright field but insist they are trapped in a dark stable. They taste a feast but insist it is straw. Their world is shaped not by truth but by distrust. The light doesn’t change. Their interpretation does.

Jesus makes this point directly in Luke 8:18: “Therefore consider carefully how you listen. Whoever has will be given more; whoever does not have, even what they think they have will be taken from them.” Hearing is not passive. It is shaped by trust.

Once you accept that your senses simplify everything, you stop assuming that “what you see is what you get” is reliable. Spiritually, the same thing happens. God can place truth in front of us, and we will either receive it, ignore it, or explain it away depending on our orientation.

Peter makes this explicit: “For we did not follow cleverly devised stories… but we were eyewitnesses of his majesty.” (2 Peter 1:16, NIV). Trust is not free-floating. It has an object. For Christians, trust means trusting the Word of God. This is the one foundation not shaped by our shifting lenses. Scripture is not just a source of comfort; it is the authority that our morality, perception, and interpretation must submit to.

The apostles were not interpreting shadows or tricks of light. They were reporting what they saw. Yet even then, not everyone believed them. Why? Because people read the world through lenses, like a prescription for glasses, shaped over an entire lifetime. Those lenses were shaped by our own choices.

There are many things we cannot control, but the quiet way we blame the uncontrollable while ignoring our own choices is devastating. Music, television, ideologies, habits, desires, everything we consume and give space in our minds shapes our lenses. And our lenses shape our interpretation of everything else. Friendship. Love. Respect. Victimhood. Sex. Pornography. Drugs. Entitlement. Comfort. Outrage.

It’s not that one sin inevitably causes the next. Rather, what we consume shapes our lenses. Our lenses shape our behaviors. Our behaviors reshape our interpretation to justify our choices. If the morals shaping your outlook are malformed, the descent into blindness is gradual, not dramatic. Interpretation reveals more about the interpreter than the object.

That is why trust becomes central.

Trust shows up in an unexpected place: the marshmallow experiment. For decades, the study was famous for measuring self-control. But deeper analysis revealed it was actually measuring trust. The children who waited were the ones who believed the adult would return. The ones who didn’t believe it didn’t wait.

Same instructions. Same setup. Same marshmallow. Different interpretation.

Trust shaped their sight. Sight shaped their decision. The decision revealed the orientation of the heart. It works the same way with God.

If we trust what society tells us to believe and accept, everything becomes a trick of the light, even the cross in the sky. Even Scripture itself. This doesn’t mean society has no value or that all secular things are terrible. The “slippery slope fallacy” only applies when a chain of consequences is asserted without a real mechanism connecting them.

But Scripture describes something different: a demonstrated mechanism of moral drift. Galatians 5:9 (NIV) says  “A little leaven leavens the whole lump.” A small amount of sin can ruin something much larger that was pure. James 1:14–15 (NIV) is even more clear in saying “Desire gives birth to sin, and sin, when it is full-grown, gives birth to death.”

That is not a slippery slope fallacy. That is a mechanism that describes how we fall.

Classical Christian theology calls this privatio boni, the privation of good. Augustine, Aquinas, and Boethius all describe evil not as a substance but as the corruption or absence of good. In lived experience, this does not happen in a single step. It feels like a continuum, slowly sliding down a slope we hardly notice.

We allow small compromises. We make small justifications. We consume things that distort our lenses. Eventually we cannot see clearly enough to know when we stopped seeing at all. The path downward is gradual. The path upward is the same: one right decision at a time. But we cannot walk either path wisely without knowing what shapes our vision.

When you understand the scale problem, you step into humility. When you understand the perception problem, you step into honesty. Most of our spiritual failures are not conscious rebellions. They are misperceptions. We look, but we do not see. This does not free us from responsibility, instead, it invites us to evaluate our lenses with grace and seriousness.

The command of God is not to “see better.” It is to trust Him. Trust allows Jesus to correct our lenses Himself so we can see what He intends for us to see. Trust in the world fosters suspicion, which continues to slowly blind us, but trust in the Word truly frees us.

Trust helps you see the tree instead of fixating on a single leaf. It helps you explore the forest without losing sight of the One who stands in the middle of it.

We are creatures with flawed lenses, limited senses, and narrow categories trying to describe God, who has none of those limitations. He is our Father in heaven, the God who desires a personal relationship with us. The solution is not to pretend we see perfectly. The solution is to trust the One who does. Let Him teach us how to see by His Word.