Believing From The Core Of Your Being

The scripture in Romans 10:10 declares, “For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.” This profound statement by the Apostle Paul invites us to explore a deeper dimension of faith—one that transcends the physical and intellectual realms. When Paul speaks of believing with the heart, he isn’t referring to the organ in your chest that circulates blood through your body. Instead, he points to something far more significant: your spirit, the very essence of who you are—your innermost being.

To believe with the heart is to engage your spirit in an act of trust and conviction that goes beyond mere mental assent or sensory perception. This distinction is critical because it reveals why so many struggle to connect with God when they rely solely on their reasoning or physical senses. The human mind, brilliant as it may be, is ill-equipped to fully grasp the mysteries of the divine. God doesn’t reveal Himself primarily through logic or empirical evidence; He speaks to your spirit. It’s in this spiritual realm that the realities of God become tangible, not through the brain’s calculations or the eyes’ observations.

This is why individuals whose spirits are disconnected from God—those who have not been spiritually awakened—often find the things of God perplexing or even absurd. As Jesus explained in John 3:3, “Except a man be born again, he cannot see the kingdom of God.” Without this spiritual rebirth, a person remains blind to the truths of God’s Kingdom. Their spirit, unrenewed and unresponsive to divine realities, cannot perceive or comprehend the things of God. But once a person is born again, a transformation occurs. The spirit comes alive, and suddenly, faith becomes possible—even in the face of things the mind cannot explain.

Consider some of the most foundational events of Christianity. Take, for instance, the virgin birth: Mary, a young woman who had never been with a man, conceived and gave birth to Jesus. Scientifically, this defies all known laws of biology. Or reflect on the resurrection: Jesus died, was buried, and after three days, rose from the dead. No amount of human reasoning or scientific analysis can account for such an event. These truths stretch beyond the limits of intellectual understanding, yet believers embrace them wholeheartedly. Why? Because faith operates in the spirit, not the mind. The human spirit possesses a remarkable capacity to trust in what it cannot fully comprehend or articulate.

Critics might argue that Christians have been “brainwashed” into accepting such beliefs. But this misses the mark entirely. It’s not our minds that have been altered; it’s our hearts—our spirits—that have been renewed. God doesn’t merely tweak our thinking; He gives us a new heart, a spirit capable of believing the impossible. Some might say, “I only believe what I can see.” But this perspective is inherently flawed. If you can already see something, what need is there for belief? True faith, as Hebrews 11:1 tells us, “is the substance of things hoped for, the evidence of things not seen.” It’s a conviction rooted in the spirit, not dependent on the senses.

The Heart: The Seat of Faith

To believe with the heart is to anchor your trust in the unseen, to allow your spirit to embrace truths that transcend human understanding. The mind may wrestle with doubts or demand explanations, but the spirit simply believes. This is the essence of faith—a deep, inner certainty that doesn’t require physical proof or intellectual validation. When you believe with your heart, your spirit aligns with God’s reality, and this alignment produces righteousness, as Romans 10:10 suggests. It’s a righteousness not earned through works or reasoned out through logic, but received through a spiritual act of faith.

The Bible consistently emphasizes this heart-centered faith. In Mark 11:22-24, Jesus instructs His disciples, “Have faith in God. For verily I say unto you, That whosoever shall say unto this mountain, Be thou removed, and be thou cast into the sea; and shall not doubt in his heart, but shall believe that those things which he saith shall come to pass; he shall have whatsoever he saith. Therefore I say unto you, What things soever ye desire, when ye pray, believe that ye receive them, and ye shall have them.” Notice the key phrase here: “shall not doubt in his heart.” Jesus doesn’t say “shall not doubt in his mind” or “shall not question with his intellect.” The battleground of faith is the heart—the spirit—where doubt must be overcome for God’s power to manifest.

This passage reveals a dynamic interplay between the heart’s belief and the mouth’s confession. To believe with the heart is the foundation, but confession with the mouth activates that belief in the physical realm. Jesus ties these two together, showing that faith is not a passive mental exercise but an active, living force. When you believe in your spirit and declare it with your words, you set in motion the supernatural. The mountain—whether a literal obstacle or a metaphor for life’s challenges—moves not because you’ve figured it out, but because your spirit has taken hold of God’s promise.

Beyond the Senses: The Nature of True Faith

Hebrews 11:1-3 further illuminates this truth: “Now faith is the substance of things hoped for, the evidence of things not seen. For by it the elders obtained a good report. Through faith we understand that the worlds were framed by the word of God, so that things which are seen were not made of things which do appear.” Faith is described as a substance—a tangible reality in the spiritual realm—and as evidence, a proof that exists beyond what the eyes can see. This is why faith is so foreign to the natural man. It operates outside the boundaries of the five senses, rooted instead in the spirit’s ability to perceive what is eternal and unseen.

Take the creation of the world as an example. Science may attempt to explain the origins of the universe through observable phenomena, but the Bible asserts that the visible came from the invisible—“things which are seen were not made of things which do appear.” This is a truth grasped only by faith. The human mind can study the stars, analyze the earth, and theorize about the Big Bang, but it’s the spirit that understands the deeper reality: God spoke, and it was so. Faith allows us to see beyond the material to the spiritual force behind it all.

The heroes of faith listed in Hebrews 11—Abel, Enoch, Noah, Abraham, and others—didn’t rely on their intellect or senses to follow God. They believed with their hearts. Noah built an ark for a flood he couldn’t yet see. Abraham left his homeland for a promise he couldn’t fully comprehend. Their faith wasn’t based on what was visible or logical; it was a conviction birthed in their spirits, a trust in God’s word that defied human reasoning.

The Spirit of Faith: Believing and Speaking

In 2 Corinthians 4:13, Paul writes, “We having the same spirit of faith, according as it is written, I believed, and therefore have I spoken; we also believe, and therefore speak.” Here, Paul connects belief with speech, echoing the principle in Romans 10:10. The “spirit of faith” is not a passive acceptance but an active force that compels us to declare what we believe. When your spirit takes hold of a truth, it naturally overflows into your words. This is why confession is so powerful—it’s the bridge between the unseen realm of faith and the visible realm of reality.

Think about David facing Goliath. His victory didn’t come from a superior strategy or physical strength; it came from a heart that believed God’s promise. Before he ever slung the stone, David spoke: “This day will the Lord deliver thee into mine hand” (1 Samuel 17:46). His spirit believed, and his mouth confessed. The result? A giant fell, and a nation was saved. That’s the spirit of faith in action—believing in the heart and speaking with the mouth.

Why the Mind Falls Short

The human mind is a marvelous gift, capable of incredible feats of logic, creativity, and analysis. But when it comes to the things of God, it has its limits. The mind operates within the realm of the seen and the known, while faith ventures into the unseen and the unknown. This is why Paul writes in 1 Corinthians 2:14, “But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.” The natural man—unregenerate and reliant on his intellect—cannot grasp spiritual truths because they require a different faculty: the spirit.

This doesn’t mean the mind is irrelevant. God gave us minds to use, and we’re called to love Him with all our heart, soul, mind, and strength (Mark 12:30). But in matters of faith, the mind must submit to the spirit. When the mind tries to take the lead, it often stumbles over the mysteries of God. How can a virgin give birth? How can a dead man rise? How can a spoken word create a universe? These questions confound the intellect, but the spirit simply says, “I believe.”

A New Heart for a New Life

The beauty of the Christian faith is that God doesn’t leave us with our old, unbelieving hearts. Ezekiel 36:26 promises, “A new heart also will I give you, and a new spirit will I put within you: and I will take away the stony heart out of your flesh, and I will give you an heart of flesh.” When you’re born again, God performs a spiritual transplant. He removes the hard, unresponsive heart and replaces it with a heart that’s alive to Him—a heart that believes.

This new heart is what enables us to trust God even when the evidence isn’t visible. It’s what allows us to pray with confidence, as Jesus taught in Mark 11:24, believing we’ve received what we’ve asked for before we see it. It’s what empowers us to speak to mountains and see them move. This heart-washed, spirit-renewed life is the essence of Christianity—a life of faith that defies the limitations of the natural world.

Living by Faith, Not Sight

The apostle Paul sums it up in 2 Corinthians 5:7: “For we walk by faith, not by sight.” This is the Christian’s calling—to live from the spirit, not the senses. The world demands proof, but faith provides its own evidence. The world relies on reason, but faith rests on revelation. The world looks to the visible, but faith sees the invisible. And it all begins in the heart, where belief takes root and transforms everything.

So, what does it mean to believe with the heart? It means to trust God with the deepest part of your being—your spirit. It means to embrace His truths even when your mind can’t explain them. It means to speak what you believe and watch it come to pass. It’s a journey of faith that starts within and radiates outward, a life of trusting the unseen over the seen, the eternal over the temporary. Hallelujah!

In conclusion, Romans 10:10 isn’t merely a theological statement; it’s an invitation to a life transformed by faith, a life lived in the reality of God’s kingdom. As we cultivate a believing heart, we open ourselves to the limitless possibilities of God’s grace and the boundless wonders of His love.