What is Christianity?
A Sermon on Isaiah 40:3-5
Originally preached May 9, 1954
Scripture
3¶ The voice of him that crieth in the wilderness, Prepare ye the way of the LORD, make straight in the desert a highway for our God. 4Every valley shall be exalted, and every mountain and hill shall be made low: and the crooked shall be made …
Sermon Description
The devil wants to keep all people from God. In this sermon, learn how the devil keeps people from knowing God and from knowing what true Christianity is. In this sermon from Isaiah 40:3–5 titled “What is Christianity?” Dr. Martyn Lloyd-Jones addresses the true and living God and that the love and power of God are displayed in salvation. Discover where Christ comes into the picture and why it is vital that all have a personal relationship with Him. The Christian position is centralized around the salvation offered to them through Christ Jesus Himself. Endless blessings are given directly from God to His own children, but these blessings must come through Christ. One cannot only know about God and believe in Him while dismissing Christ. The Christian message stands absolutely alone and all other religions and cults fall short. It is only in the wisdom of God that His love is displayed in the sacrificing of His own Son. God pardons and changes the lives of those who believe. Christians are not only “good people” but a unique humility must first come so that the blessing of God may be poured out.
Sermon Breakdown
- The sermon begins by introducing Isaiah 40:3-5 which speaks of preparing the way for the Lord.
- The sermon highlights that the prophecy has an immediate and local reference, but ultimately points to Jesus Christ.
- The sermon emphasizes that Christianity is a message of comfort for those undergoing hardship. This comfort comes through the forgiveness of sins which was accomplished through Jesus Christ.
- The sermon asks the question: How does God provide this comfort and forgiveness? The answer is through Jesus Christ alone.
- The sermon warns against thinking you can receive God's blessing apart from faith in Jesus Christ. That is a false belief.
- The sermon states that God's blessing comes through the incarnation of Jesus Christ. Jesus is both fully God and fully man.
- The sermon explains that for Christ to come into the world, a new way needed to be prepared. This involved Christ humbling himself and becoming a man.
- The sermon also says a new way needs to be prepared for Christ to come into our lives. This involves recognizing our sin, repenting, and trusting in Christ alone.
- The sermon concludes by inviting people to receive Christ and find comfort in him.
Sermon Q&A
Dr. Martyn Lloyd-Jones Sermon Questions and Answers on Isaiah 40:3-5
What is the main message of Isaiah 40:3-5 according to Dr. Lloyd-Jones?
According to Dr. Lloyd-Jones, Isaiah 40:3-5 describes how God brings His salvation to people. The passage speaks of "preparing the way of the Lord" and reveals that God's blessings, forgiveness, and comfort come exclusively through the person of Jesus Christ. Dr. Lloyd-Jones emphasizes that this is "the very heart and center and core of the Christian message" - that God sent His own Son into the world to accomplish our salvation, and there is no other way to receive God's blessings apart from Him.
How does Dr. Lloyd-Jones explain the uniqueness of Christianity compared to other religions?
Dr. Lloyd-Jones explains that Christianity stands "absolutely alone" and is not in series with any philosophy or outlook on life. He states: "It has a uniqueness and a distinctness and a separateness that puts it entirely in a category on its own." Unlike other religions or philosophical systems, Christianity is not about mankind discovering something about God through evolution, study, or investigation. Rather, it is about God sending His Son into the world - something that had never happened before and makes Christianity completely unique.
What does "prepare the way of the Lord" mean in this passage?
"Prepare the way of the Lord" refers to the ancient custom of preparing roads for important dignitaries before they traveled. Dr. Lloyd-Jones explains that this imagery describes how God had to make special preparation for His Son to come into the world. This preparation involved the incarnation - where "every valley shall be exalted, and every mountain and hill shall be made low" - representing how Christ, though divine, humbled Himself to become human (mountains brought low), while human nature was elevated through His taking on our flesh (valleys exalted). It also refers to how we must prepare our hearts through repentance to receive Christ.
What does Dr. Lloyd-Jones identify as a common misunderstanding about Christianity?
Dr. Lloyd-Jones identifies a common misunderstanding where people think they can be blessed by God directly without Jesus Christ. He mentions people who say, "I believe in God, and I say my prayers regularly...I believe God blesses me and answers my prayer," but who never mention Jesus Christ. He calls this a terrible danger - thinking that God's forgiveness comes simply through His love, without Christ's intervention. He states firmly: "This message of comfort, of pardon and forgiveness, of new life and a new outlook and a new beginning and the blessings of God, they come and they come alone, and only in and through the Lord Jesus Christ."
How does Dr. Lloyd-Jones explain the incarnation of Christ?
Dr. Lloyd-Jones explains the incarnation using the imagery in Isaiah 40:4: "Every valley shall be exalted, and every mountain and hill shall be made low." He describes how Christ, being equal with God, emptied Himself and laid aside the marks of His eternal glory to become a helpless baby (mountains brought low). Simultaneously, human nature was elevated (valleys exalted) when Mary, a humble virgin, was given the privilege of bearing the Son of God. The result was "two natures in one person, indivisible - God-man, perfect man and perfect God" - creating "the new highway along which alone God's blessing can come."
What does Dr. Lloyd-Jones teach about repentance?
Dr. Lloyd-Jones teaches that repentance is essential before Christ can come into our hearts. Drawing from John the Baptist's message, he explains that repentance means: - Recognizing God's holy law and righteous character - Putting an end to all self-confidence - Ceasing to rely on nationality, religious background, or good works - Abandoning hypocrisy - Acknowledging oneself as "a miserable, wretched, vile sinner, deserving hell and nothing else" He emphasizes that Christ came for those who recognize their desperate need: "He's for paupers. He's for sinners...He came for people who are down and out, morally and spiritually."
Why does Dr. Lloyd-Jones emphasize that Jesus Christ is essential to salvation?
Dr. Lloyd-Jones emphasizes Christ's essentiality because he observes many people claiming to be blessed by God while completely bypassing Jesus. He applies a simple test: "Where does Jesus Christ come in? Is he absolutely essential? Is he absolutely vital? Is he in such a position that if he were taken away, your whole belief and your whole situation would collapse?" He argues that true Christianity cannot exist without Christ at its center, as He is the only way God provides forgiveness and blessing. Only through Christ's incarnation, death, and resurrection can our "warfare be accomplished" and our "iniquity be pardoned."
What does Dr. Lloyd-Jones teach about how all people stand equal before Christ?
Dr. Lloyd-Jones teaches that "there's no difference between a religious and an irreligious person before Christ." He states: "The person who's been brought up in a religious way and who hasn't believed in Christ is in exactly the same position as a person who has come out of the foulest gutter in the land this evening. No difference." This illustrates his point that "every valley and hill shall be brought low" - all human distinctions disappear before Christ, and everyone must come to Him in the same way: acknowledging their sinfulness and need for salvation.
Old Testament
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.