Without Light, We Cannot See
The Spirit and the Unveiled Heart
LENWOOD LEÓN JACK
Published · 15 min read
“Except a man be born again, he cannot see the kingdom of God.”
— John 3:3
Nicodemus came to Jesus by night. He came as a teacher of Israel, familiar with Scripture and accustomed to considering the things of God. He had witnessed enough of Jesus’ works to recognize that something extraordinary was taking place.
“Rabbi,” he said, “we know that thou art a teacher come from God: for no man can do these miracles that thou doest, except God be with him” (John 3:2).
Jesus answered by speaking of something Nicodemus had not understood: the necessity of being born again.
Before we move beyond that answer, we should pause over these words: “He cannot see.”
In the physical world, sight depends upon light. A person may possess healthy eyes and stand in a room filled with objects, yet in complete darkness those objects remain unseen. Their existence does not depend upon the person’s ability to perceive them. The darkness conceals what is already there.
This gives us an image through which to consider Jesus’ words. The Kingdom does not become real when we recognize it. We need God to make us capable of receiving the reality He reveals.
A Birth from Above
Nicodemus could observe the signs. He could acknowledge that God was with Jesus. But when Jesus spoke of being born again, his understanding returned to the processes of natural life.
“How can a man be born when he is old?” he asked (John 3:4).
His question reveals the difficulty. He was attempting to understand the work of the Spirit entirely through the experience of the flesh. Jesus answered:
“Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God. That which is born of the flesh is flesh; and that which is born of the Spirit is spirit.”
— John 3:5–6
Jesus joins seeing the Kingdom with entering it. The birth He describes reaches into the source of our life and our relationship with God. We need more than an explanation placed before an unchanged heart. We need the renewing work of the Spirit.
Jesus compares this work to the wind. Its movement cannot be controlled or fully traced by the person who hears it, yet its presence is known through its effects (John 3:8). The life the Spirit gives likewise exceeds our ability to manufacture it. We receive it in dependence upon God.
The chapter then directs our attention to the Son who must be lifted up, so that those who believe in Him may have eternal life. The new birth belongs within this message of God’s love and the giving of His Son for the salvation of the world (John 3:14–17).
As the conversation unfolds, the language of birth opens into the language of light:
“Light is come into the world, and men loved darkness rather than light, because their deeds were evil.”
— John 3:19
The difficulty reaches deeper than a lack of information. We may resist the very light by which we could begin to see. Light exposes what darkness allows us to conceal.
To come into that light is to become willing to be revealed—to allow God to uncover our motives, challenge our judgments, and show us what we have hidden even from ourselves. John 3:21 describes the person who does truth as coming to the light, allowing it to become evident that his works are wrought in God.
Here the question becomes personal: Am I willing to receive the truth when it corrects the way I have understood my own life?
Yet even when we recognize what is good, another need appears. We must be delivered from the sin that holds us captive.
When Knowing Is Not Enough
The light may reveal the path before us, yet we can discover within ourselves a resistance to walking in it. We recognize what is right. We may desire it sincerely. Then, in the moment of decision, we find ourselves repeating the conduct we intended to leave behind.
Paul gives words to this struggle:
“For the good that I would I do not: but the evil which I would not, that I do.”
— Romans 7:19
A person may condemn dishonesty and still conceal the truth when confession threatens a reputation. We may understand the value of patience and still answer harshly. We may desire reconciliation while defending the pride that keeps us apart.
Knowing the commandment has brought the conflict into view. It has not, by itself, broken sin’s power.
Paul carefully protects the goodness of God’s law:
“Wherefore the law is holy, and the commandment holy, and just, and good.”
— Romans 7:12
The commandment did not create the evil it exposed. Sin took occasion through the commandment and worked death. The trouble lay within the person who encountered that holy standard and found himself captive to sin.
Here we begin to understand why Jesus spoke to Nicodemus about birth. Our need reaches beneath our conduct into the life from which that conduct proceeds. Instruction tells us how we ought to walk. We also need God to renew the heart and free us to serve Him.
Paul describes “another law in my members,” warring against the law of his mind and bringing him into captivity to the law of sin (Romans 7:23). His words bring us to the limit of self-reliance. The person who would deliver himself discovers that the struggle is taking place within his own members.
At last, the struggle becomes a cry:
“O wretched man that I am! who shall deliver me from the body of this death?”
— Romans 7:24
The question turns toward a deliverer. Paul’s answer follows immediately: “I thank God through Jesus Christ our Lord” (Romans 7:25).
Then Romans 8 announces the freedom toward which the passage has been moving:
“For the law of the Spirit of life in Christ Jesus hath made me free from the law of sin and death.”
— Romans 8:2
The Spirit who gives life leads us into a different way of living. Paul speaks of walking after the Spirit and, through the Spirit, putting to death the deeds of the body (Romans 8:4, 13). This freedom takes shape in our daily choices as we yield ourselves to God.
We need illumination to recognize the truth, and we need deliverance from the sin that resists it. God meets us in both through Jesus Christ and the work of His Spirit.
The promise reaches further still. The One who delivers us also brings us near.
The Veil and the Opened Way
How can a person held captive by sin draw near to a holy God?
Hebrews approaches this question through the sanctuary, the priesthood, and the veil. Before describing the sanctuary in detail, it directs our attention to the heart:
“To day if ye will hear his voice, harden not your hearts.”
— Hebrews 3:7–8
A voice may be heard without being received. God’s works may be witnessed without leading to trust. Hebrews recalls a generation that saw His works in the wilderness yet failed to enter His rest because of unbelief (Hebrews 3:9–19).
This brings us back to Nicodemus. Witnessing an outward work does not necessarily mean that we have understood or received what God is revealing through it. The heart can resist what stands before the eyes.
The invitation is present: today. Repeated resistance can harden us against the truth we need. Hebrews therefore calls us to encourage one another, receive God’s word in faith, and hold fast to Christ.
As the letter unfolds, it brings us before the sanctuary. Within the tabernacle stood a veil separating the holy place from the Holiest of all. Beyond it, the high priest entered once each year, carrying blood offered for himself and for the errors of the people (Hebrews 9:1–7).
The veil marked a boundary. Worship was taking place, sacrifices were being offered, and the priesthood was carrying out its appointed service. Yet access to the innermost sanctuary remained restricted.
Hebrews explains that the Holy Ghost was signifying through this arrangement that the way into the Holiest had not yet been made manifest while the first tabernacle remained standing. Its gifts and sacrifices could not make the worshiper perfect concerning the conscience (Hebrews 9:8–9).
Sin required an answer sufficient to cleanse the conscience and bring the worshiper near to God.
Here the letter directs our attention to Jesus Christ. He enters by His own blood, having obtained eternal redemption. His offering reaches into the inward condition of those who come to God through Him:
“How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?”
— Hebrews 9:14
Notice the purpose of that cleansing: to serve the living God. The conscience is cleansed so that life may turn toward Him in faith and willing service. Forgiveness opens into fellowship, and fellowship bears fruit in the way we live.
The promise of the new covenant reaches into this same inward place. God speaks of putting His laws into the minds of His people and writing them upon their hearts (Hebrews 8:10). His will is to become part of the life within us.
Then Hebrews brings us to the opened way:
“Having therefore, brethren, boldness to enter into the holiest by the blood of Jesus, by a new and living way, which he hath consecrated for us, through the veil, that is to say, his flesh.”
— Hebrews 10:19–20
In this passage, the veil concerns access to God’s presence, and the way through it is joined to Christ’s flesh and His sufficient offering. Our confidence rests upon what He has accomplished. We draw near because He has made the way.
The invitation follows:
“Let us draw near with a true heart in full assurance of faith.”
— Hebrews 10:22
We are called to come honestly, trusting the One who knows our condition and has provided for our cleansing.
Yet what must happen within our understanding? How does the heart recognize the glory God has revealed? Paul takes up the image of a veil again, this time speaking directly of the heart.
The Heart Unveiled
In 2 Corinthians 3, Paul recalls the veil upon Moses’ face and uses that image to describe a barrier within human understanding. The sacred words can be read while their fulfillment in Christ remains unrecognized. He writes of a veil upon the heart.
This brings the matter close to us. Familiarity with the words does not give us mastery over the truth they reveal. We can study, repeat, and defend a passage while still needing God to correct our understanding and bring our lives under its authority.
Paul points toward the Lord:
“Nevertheless when it shall turn to the Lord, the vail shall be taken away.”
— 2 Corinthians 3:16
The heart turns toward the One it needs. It becomes willing to receive correction, surrender its defenses, and let Christ be known as He reveals Himself.
Paul then describes believers beholding the glory of the Lord with unveiled faces and being changed into His image by the Spirit (2 Corinthians 3:18).
This is where sight and transformation meet.
To behold Christ is to encounter the One whose character exposes and reshapes our own. His mercy challenges our cruelty. His truth uncovers our deceit. His humility confronts our pride. His self-giving love teaches us what it means to live for another.
The light reaches the heart, and the life begins to change.
Paul carries this thought into the next chapter:
“For God, who commanded the light to shine out of darkness, hath shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.”
— 2 Corinthians 4:6
Here is the connection toward which we have been moving. The God who called light into creation shines within the human heart. He makes His glory known in Jesus Christ.
The light does not originate in our ability to explain it. It is received from God, and the sight it gives directs our attention toward His Son.
Nicodemus stood before Jesus and needed a birth from above. We stand before the same Lord with the same dependence. We need the Spirit to give life, unveil the heart, and lead us into the truth Christ has brought near.
The Spirit of Truth
Jesus did not leave His disciples to depend upon their own understanding. As He prepared them for His departure, He promised the presence of the Comforter:
“Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you.”
— John 14:17
The promise reaches inward: “He shall be in you.” The disciples would continue to depend upon God’s presence as they learned to understand and live what Jesus had taught them.
Jesus identifies the Comforter as the Holy Ghost:
“He shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you.”
— John 14:26
The Spirit’s teaching remains joined to the words of Christ. He brings those words to remembrance and makes their significance known. Jesus says that the Spirit of truth “shall testify of me” and “shall glorify me” (John 15:26; 16:14).
These promises give direction to our understanding of spiritual light. The Spirit turns our attention toward Jesus—His words, His character, His sacrifice, and His relationship with the Father. As we come to know Him, we recognize more clearly the life into which He calls us.
Jesus also promises:
“Howbeit when he, the Spirit of truth, is come, he will guide you into all truth.”
— John 16:13
Guidance implies a life of dependence. We continue to need instruction, correction, and remembrance. There are truths we have heard whose implications we have yet to receive. There are places where familiar words must reach deeper into our conduct.
We may know that Jesus commanded us to love our enemies, yet need the Spirit’s help when an enemy stands before us. We may speak readily about forgiveness, yet discover how tightly we hold another person’s debt. We may confess that God is faithful while fear continues to govern our decisions.
In such places, the Spirit brings Christ’s words to bear upon the life we are actually living.
This returns us to John 3. Coming to the light involves a willingness to be revealed before God. As He shows us what requires repentance, He calls us to respond in faith. The light that exposes our need directs us toward the Savior.
Learning to Live in the Light
Between His promises concerning the Spirit, Jesus gives His disciples the image of the vine and its branches:
“Abide in me, and I in you. As the branch cannot bear fruit of itself, except it abide in the vine; no more can ye, except ye abide in me.”
— John 15:4
A branch lives through its connection to the vine. Its fruit grows from the life it receives.
This brings spiritual sight into daily discipleship. What God reveals is meant to take root in us. We abide in Christ, receive His words, and learn to obey Him in the circumstances before us.
Jesus gives that obedience a clear expression:
“This is my commandment, That ye love one another, as I have loved you.”
— John 15:12
The love of Christ becomes the measure by which our lives are examined. Spiritual understanding should bear fruit in truthful speech, mercy toward the wounded, faithfulness in our responsibilities, and a willingness to make right what we have damaged.
We learn to recognize our neighbor as someone to whom love is owed. We become more willing to confess when we have been wrong. We begin to see opportunities for service where we once saw only inconvenience.
Such growth requires patience. Paul describes believers as being changed into Christ’s image “from glory to glory” (2 Corinthians 3:18). We remain dependent upon the Spirit as our understanding deepens and our character is formed.
The question reaches beyond whether we have understood an explanation of the Kingdom. Are we yielding to the King? Is the truth we profess becoming visible in the way we treat those around us?
Come to the Light
Nicodemus came to Jesus by night, carrying a sincere acknowledgment of what he had witnessed. Jesus met him with a truth that reached beneath his knowledge:
“Ye must be born again.”
— John 3:7
That encounter has carried us through these Scriptures. We have seen the struggle of a person who recognizes the good yet needs deliverance from sin. We have approached the sanctuary and considered the way Christ opened through His offering. We have heard Paul speak of the veil removed from the heart and of God shining within us to make His glory known in Jesus Christ.
We have also heard the promise of the Spirit of truth, who teaches, bears witness to Christ, and guides His people.
Together, these passages show our dependence upon God. We need Him to give life, cleanse the conscience, illuminate the heart, and sustain our walk of faith.
The closing movement of John 3 expresses that dependence: “A man can receive nothing, except it be given him from heaven” (John 3:27). John the Baptist directs attention away from himself and toward Christ: “He must increase, but I must decrease” (John 3:30).
That is a fitting posture for the heart seeking light. We come ready to receive, willing for our pride to diminish and for Christ to become greater in our understanding and conduct.
In darkness, a person may mistake the shape of what stands nearby. Fear and assumption fill the space where sight is missing. When light enters, we can begin to recognize what is before us.
As our hearts turn toward the Lord, we begin to recognize our sin more honestly, His mercy more deeply, and our neighbor with greater compassion. We learn to bring what has been hidden into His presence and trust Him with what the light reveals.
The invitation remains: come to the light. Draw near through Christ. Receive His words with a willing heart.
The One who opens the way gives His Spirit to lead us in it. As we abide in Him, the life we receive begins to bear fruit—and what God has made known within us becomes visible through love.
Scripture quotations are from the King James Version. Principal passages: John 3; Romans 7–8; Hebrews 3–10; 2 Corinthians 3–4; John 14–16.