Do You Understand?
A Sermon on Acts 8:29-30
Originally preached Jan. 21, 1968
Scripture
29Then the Spirit said unto Philip, Go near, and join thyself to this chariot. 30And Philip ran thither to him, and heard him read the prophet Esaias, and said, Understandest thou what thou readest?
Sermon Description
Why can't the world figure out its own need for salvation? In the sermon “Do You Understand?” Dr. Martyn Lloyd-Jones shows from Acts 8:29–30 how the natural human is blinded to the truth of God. That is, they are unable to understand the spiritual things because they are fleshly and carnal. This is why those in the church who want to change the Christian message to be more accommodating to modern people are so mistaken. Modern humanity’s problem with the Christian message is really nothing unique. It is the product of an unbelieving and sinful nature. They do not need a more up-to-date message; their problem is much deeper. It is one of spiritual blindness and deadness. This is why only those who the Holy Spirit of God enlightens can see and believe in the gospel of Jesus Christ. Only God can give sinful people a new heart and mind that seeks after what is good and holy, and only He can work the miracle of regeneration so that those who were once dead can come to life in Christ. This is the Christian message that is so necessary in this time and in all times. This is the only message that the church has been given to proclaim to this broken and sin-filled world.
Sermon Breakdown
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The passage for the sermon is Acts 8:30-31. Philip asks the Ethiopian eunuch if he understands what he is reading from Isaiah. The eunuch replies that he cannot understand without guidance.
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The story of Philip and the Ethiopian eunuch shows how one becomes a Christian and the nature of the Christian church.
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The eunuch was religious but still troubled. Many today are in a similar position, resting in religion but not truly Christian.
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The eunuch needed the message of salvation through Jesus Christ. Though he was reading it in Isaiah, he did not understand it.
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Many today look at the Christian message but do not understand it. Like the eunuch, they need guidance and instruction.
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The natural man cannot understand the Christian message. It is foolishness to him. Only through the Holy Spirit can one understand.
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The Christian message deals with the supernatural, the eternal, the divine. It cannot be understood through human reason alone.
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The message centers on the triune God - Father, Son, and Holy Spirit. This is a mystery beyond human comprehension.
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The message tells of God's plan of salvation through Jesus Christ. This is also beyond human understanding.
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Jesus Christ is both God and man. This hypostatic union is a mystery.
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The atonement - that Christ died for our sins - is foolishness to human wisdom. It is a mystery of godliness.
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The new birth is a mystery. We can only observe its effects, not understand how it happens.
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The natural man is limited and finite. He cannot search out God. God's ways are unsearchable.
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The natural man is spiritually dead. He lacks the spiritual faculty to understand spiritual truth.
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The natural man is at enmity with God. His mind is opposed to God and cannot understand His truth.
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God has made the gospel message incomprehensible to humble the pride of man. His wisdom is beyond man's wisdom.
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If the gospel could be understood only by the wise and learned, it would not be good news for all. God's love offers it to all.
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To understand the gospel, one needs guidance and instruction from God. One must become like a child - humble, teachable, and dependent.
Sermon Q&A
Understanding the Christian Message: Dr. Martyn Lloyd-Jones on Spiritual Comprehension
What are the main stumbling blocks that prevent people from becoming Christians according to Dr. Martyn Lloyd-Jones?
According to Dr. Martyn Lloyd-Jones, there are three main stumbling blocks that prevent people from becoming Christians:
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Failure to realize the supernatural realm: "If you don't realize that here you are definitely in the realm of the supernatural, well, of course you can't possibly become a Christian."
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Religion itself: "Religion is the thing that holds many people back from becoming Christian... you can be religious without being Christian." He notes that the Ethiopian eunuch in Acts 8 was religious but still unfulfilled.
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The nature of Christian truth: "The Christian message is something that cannot be understood by the natural man." This intellectual stumbling block is perhaps "the greatest stumbling block of all" in our modern times.
Why does Dr. Lloyd-Jones say the natural man cannot understand the Christian message?
Dr. Lloyd-Jones provides several reasons why the natural man cannot understand the Christian message:
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The nature of the truth itself: "You're in a realm that is altogether different. The realm of the supernatural." It deals with divine mysteries beyond human comprehension.
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The content of the message: It deals with the Trinity, God's eternal plan, the incarnation, the atonement - things that by definition are beyond human understanding. "We are dealing with infinities, with absolutes, with eternities."
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Man's fallen state: "Man's state and condition by birth and by nature renders him quite incapable of understanding this message." Humans are finite, limited, and have "lost the spiritual faculty" needed to comprehend divine truth.
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Man's opposition to God: "The carnal mind is enmity against God" and "the natural man receiveth not the things of the Spirit of God, for they are foolishness unto him."
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God's wisdom and love: God intentionally designed salvation to be beyond human understanding to humble human pride and make salvation equally accessible to all.
What does the story of Philip and the Ethiopian eunuch teach us about understanding Scripture?
The story of Philip and the Ethiopian eunuch (Acts 8:30-31) teaches us several important lessons about understanding Scripture:
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One can be reading Scripture yet not understand its meaning. The Ethiopian was reading Isaiah but admitted, "How can I [understand], except some man should guide me?"
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Human intellect and education alone are insufficient. Despite being a man of high position and education, the Ethiopian needed divine help through Philip.
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Spiritual understanding requires divine guidance. Philip was sent specifically by the Holy Spirit to help the Ethiopian understand.
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A humble, teachable attitude is essential. The Ethiopian demonstrated humility by admitting his need for help and inviting Philip to guide him.
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Understanding comes through Spirit-filled teaching. Philip, filled with the Spirit, was able to explain Christ from the Scriptures.
As Lloyd-Jones puts it: "What is needed is the very thing that happened to the poor Ethiopian eunuch. He needs help, he needs instruction, he needs guidance. But he also needs a willing and a ready mind, a readiness to listen and the humility to be taught."
How does Dr. Lloyd-Jones address the modern attempt to make Christianity more understandable?
Dr. Lloyd-Jones strongly criticizes modern attempts to make Christianity more understandable by:
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Rejecting new translations as the solution: "They've had their new translations. They're tumbling out of the presses one after another. Does it make people believe?" He calls the idea that modern language will solve the problem of belief "utterly ridiculous."
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Criticizing the "demythologizing" approach: He condemns those who "trim our message" and "take things out of the scriptures" to make it acceptable to modern minds.
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Opposing accommodating modern science: He rejects the idea that we must "accept what science teaches at the moment" and modify our message accordingly.
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Challenging the belief in reasoned presentation: He disputes the notion that "if only the message is presented in a reasoned and reasonable manner, men are bound to accept it."
Lloyd-Jones insists the problem isn't linguistic or presentational but spiritual: "You can change all your words and men will still remain what he was. That isn't the problem."
What does Dr. Lloyd-Jones say is the proper approach to understanding Christian truth?
Dr. Lloyd-Jones teaches that the proper approach to understanding Christian truth involves:
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Acknowledging our limitations: "The supreme achievement of reason is to bring us to see that there is a limit to reason."
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Becoming childlike: "You become as a little child. You must be born again."
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Receiving divine revelation: "It is revelation. It's God who has revealed this."
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Submitting to the Holy Spirit: "Yield yourself to the influences of the Spirit of God and are ready to listen."
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Approaching with humility: "Realize your helplessness, your hopelessness, your ignorance and your impotence."
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Accepting mystery: "This is mystery, the mystery of godliness... You don't try to [understand it]. You just glory at it."
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Receiving it as a gift: "It is of the grace of God. It's the free gift of God. And any man can receive a gift."
In Lloyd-Jones' view, true understanding comes not through intellectual effort but through spiritual revelation received in humility.
The Book of Acts
Dr. Martyn Lloyd-Jones
Dr. Martyn Lloyd-Jones (1899-1981) was a Welsh evangelical minister who preached and taught in the Reformed tradition. His principal ministry was at Westminster Chapel, in central London, from 1939-1968, where he delivered multi-year expositions on books of the bible such as Romans, Ephesians and the Gospel of John. In addition to the MLJ Trust’s collection of 1,600 of these sermons in audio format, most of these great sermon series are available in book form (including a 14 volume collection of the Romans sermons), as are other series such as "Spiritual Depression", "Studies in the Sermon on the Mount" and "Great Biblical Doctrines". He is considered by many evangelical leaders today to be an authority on biblical truth and the sufficiency of Scripture.