Let’s say the quiet part out loud: the moment science calls itself “a body of knowledge,” it has already walked out of the room it claims to run.
Knowledge is invisible. You cannot weigh it, photograph it, or run a control group on it. It is not a sensation. It is a conceptual relation—propositions that are true and justified. Falsifiability, the favorite bouncer at the door of modern science, checks IDs for empirical vulnerability. Knowledge does not have one. So the claim that science is knowledge fails the very test science likes to apply to everyone else. That is not a minor bookkeeping error. That is the house declaring that the foundation does not meet the building code.
Scientists use a whole parade of non-falsifiable things in every paper, every sentence, every syllable. The three laws of logic—identity, non-contradiction, excluded middle—are treated like sacred ordinances. You do not get to contradict yourself in a lab report and then shrug. The reason logic is not falsifiable, in any context, is because logic is self-justifying as a logical law. Something that is self-justifying is not falsifiable. To use it or deny it, you use it. Scripture is similar.
The three laws of logic are easy to demonstrate this way, such as by asking a person to deny their existence without using them; or deny the law of contradiction without using the law of contradiction. Other presuppositions might not have the same super easy and tight demonstration as contradiction does to show its self-justifying nature, but other presuppositions have a similar aspect. For example, knowledge itself is not corporeal; it is incorporeal. Thus, it is not testable, and so not falsifiable. In addition to this, if you deny knowledge, you must use knowledge to deny knowledge, and so it is self-refuting. You must use it to deny it.
How about other presuppositional things? Motion is not something a camera captures raw; successive patches of light do not contain the concept of a boy throwing a ball. The concept is smuggled in so the data can mean anything. Causality is not photographed either. Difference, time, number, relation, intelligibility itself—none of these are sensations. None of them can be falsified by looking harder. Yet every scientific statement deploys them as if they were settled law. They are used like gods that must not be trespassed. Then the same people turn around and inform the rest of the world that if a claim is not falsifiable, it is not serious. The selectivity is so clean it almost looks intentional.
This is not a complaint about practical work. Pragmatic utility is fine. A model can be incomplete or even false about the deeper structure of reality and still be repeatable enough to build bridges, design engines, or point a rocket in roughly the right direction. Popper was relatively careful on this point: theories remain conjectures. Survival under testing is not the same as having secured knowledge of how things actually are. Stay in that lane—useful procedures that continue to work under the conditions tried so far—and the falsifiability talk can function as a practical filter without collapsing. The moment the language shifts from “this continues to work” to “this is knowledge,” the standard has been left behind. Knowledge was never going to clear it.
So as long as science admits upfront that it is not logical, that it has no knowledge, and that it is only for pragmatic utility—and that falsifiability is only useful in this narrow sense—then science’s output is falsifiable. But the moment it goes beyond this to say it is logical and has knowledge, it denies the principle it preaches. And in doing so, science loses all justification to demand a falsifiable standard that it already denies.
The same problem reappears when the conversation turns to aliens. Parts of media and official culture have shown a preference for an advanced-alien residual over a demonic or fallen-angel residual for certain UAP phenomena. The demonic reading, in the form advanced by people such as Pastor Troy Brewer and others, treats the encounters as subject to the authority of Christ. That points toward the biblical God. The alien residual can be framed as a remote scientific possibility that does not immediately require that step. Yet when the topic is the foundations of knowledge, logic, and intelligibility, the alien option does not help. An advanced alien intelligence operating inside a naturalistic frame still cannot ground non-sensory categories in sensation or material processes. Any explanation that stayed strictly naturalistic would leave the same categories unaccounted for. Any explanation that treated them as real and non-derived would have stepped outside naturalism. Looking to aliens for a naturalistic answer is not a solution. It is a relocation of the problem—one more kick of the can down a road that still ends at the same wall.
Sensation and observation are not a true starting point for knowledge. They are occasions that already require prior conceptual structure in order to become data at all. The structure is not extracted from the sensory field; it is brought to it. Science, when it claims knowledge, borrows that structure constantly while refusing to account for it on its own terms. The demand for falsifiability is then applied most vigorously to claims that would force an acknowledgment of the dependence. The irony is not subtle. The thing science claims to be is not falsifiable. The tools it uses in every publication are not falsifiable. And the preferred alternative residual for phenomena that might otherwise point beyond naturalism does not fix the accounting either. What remains is a set of useful procedures that can continue to work, and a set of foundations that the procedures never justified.
[See Vincent Cheung, “Paul and the Philosophers,” which helped me better understand some of the presuppositional points I make here about motion, logic and cause, and of course, my understanding of biblical presuppositionalism I preach in all my materials.]