Has any human being, with all our intellect, technology, and centuries of accumulated knowledge, ever designed a biomechanical system that can replicate itself, convert biomass into energy, repair itself from injury, carry out billions of computations per second, adapt to its environment, and produce generations of new beings with minds, souls, and creativity of their own?
We marvel at human inventions like our planes, our cars, our supercomputers, and our rockets that pierce the heavens. But pause for just a moment and consider: has any engineer, any laboratory, any team of scientists ever brought into existence a machine that rivals the complexity of your own body?
Your body, which at this very instant is digesting food, repairing cells, pumping blood, creating new red blood cells, firing trillions of synapses in your brain, regulating temperature, balancing electrolytes, interpreting light and sound waves into sight and hearing, and giving you consciousness itself, all without you even noticing.
Let us slow down and consider just a few marvels.
The Energy System
You eat food. A sandwich. A piece of fruit. Maybe a steak. Your body takes that raw biomass, breaks it down chemically, and transforms it into ATP, the “energy currency” of every cell. Each of your ~37 trillion cells has mitochondria, molecular power plants, that produce this energy with a level of efficiency that no manmade battery, reactor, or generator has ever matched.
If you designed a machine that could run on apples, bread, or steak, and from that fuel repair its own circuits, upgrade its own hardware, and multiply itself into another machine, you’d win every engineering award in history. But no human ever has.
The Circulatory System
Your heart beats about 100,000 times a day, pumping blood through a vascular system that, if stretched end to end, would run over 60,000 miles. That’s enough to circle the globe twice.
But the marvel isn’t just in length. The blood carries oxygen, glucose, hormones, immune cells, all targeted precisely where they need to go. Your body carries out millions of deliveries every second, with logistics that make FedEx look like child’s play.
And if one area is wounded, your blood clots. It repairs. It heals. Show me a manmade machine that, when damaged, repairs its own leaks, grows stronger scar tissue, and restores itself to working order.
The Brain and Nervous System
Your brain processes information at about 1 exaFLOP, that’s a billion billion operations per second. Supercomputers are only just now scratching that level, but they consume megawatts of power and require acres of cooling systems. Your brain runs on the power equivalent of a dim light bulb.
It stores memories. It creates art. It loves. It dreams. It imagines worlds that do not exist and builds them into reality.
If consciousness and free will could emerge from unguided matter, then why does no rock ever compose music? Why does no river ever paint a portrait? Why does no gust of wind ever draft a poem?
The DNA Code
Inside every cell of your body is DNA, a 3.2-billion-letter code that contains the instructions to build you. Written not in English or Chinese, but in a four-letter chemical alphabet: A, T, C, and G.
Richard Dawkins, an atheist, once admitted that DNA is like “a machine code” or “a book.” And yet he wants us to believe that a book wrote itself. That 3 billion letters, perfectly arranged, just fell into place by accident.
If I handed you a library and told you every book was written by an explosion in an ink factory, would you believe me? Then why do you believe that the most complex code in existence, far beyond all the world’s libraries combined, came from blind chance?
The Reproductive System
Not only does your body sustain itself, it carries the blueprints to create another life. Male and female bodies, different yet complementary, come together to form a child with a brand-new genetic code, half from the father, half from the mother.
Nine months later, a baby emerges, a being with a heartbeat, fingerprints, laughter, and potential that could change the world.
No human has ever made a 3D printer that prints another 3D printer, that prints another 3D printer, endlessly. But God did.
The Immune System
Every day, you encounter millions of viruses, bacteria, and parasites. Yet you remain alive because your immune system is a standing army, patrolling, recognizing threats, neutralizing enemies, and storing memory for future encounters.
Doctors study for decades to learn just fragments of how it works. And yet, we are told, this came from nothing, by nothing, through nothing?
Philosophical Questions for the Skeptic
Has any human engineer created such a system? If not, then why assume random chance did?
If intelligence is required for even the smallest human invention, why not for the grandest?
If the human body surpasses the most advanced machines ever built, is it rational to say it has no designer?
The Limits of Man’s Ingenuity
We invented cars, but they break down.
We built planes, but they require constant maintenance.
We designed supercomputers, but they overheat and crash.
We manufacture medicines, but they come with side effects.
Meanwhile, the human body has been operating for thousands of years, generation after generation, with astonishing reliability.
Scripture’s Testimony
The Bible speaks to this truth:
- “I will praise thee; for I am fearfully and wonderfully made” (Psalm 139:14).
- “But ask now the beasts, and they shall teach thee; and the fowls of the air, and they shall tell thee… the hand of the Lord hath wrought this” (Job 12:7–10).
- “For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made” (Romans 1:20).
The atheist claims blindness, but creation shouts in their ears.
The Honest Dilemma
If you say life came from nothing, you are asserting a greater miracle than the Christian ever has.
It is not Christians who believe fairy tales, it is atheists who believe that matter arose from nothing, that order arose from chaos, that life arose from non-life, that intelligence arose from mindless matter, and that morality arose from amoral dust.
Which belief is truly unreasonable?
Closing Appeal
So I return to the question: Has any human ever designed a biomechanical system like the human body?
The answer is obvious. No.
And if no human has, then chance certainly has not.
The only reasonable conclusion is that behind this masterpiece of engineering stands an Engineer. Behind this living temple of flesh and spirit stands a Creator. Behind your beating heart and thinking brain stands the God who made you, loves you, and calls you to Himself.
“Know ye that the LORD he is God: it is he that hath made us, and not we ourselves” (Psalm 100:3).
You are not an accident. You are not a random collection of atoms. You are not the product of blind chance. You are the handiwork of the living God. And He is calling you even now.
Family Bible Church 