The Nature of Unbelief
A Sermon on Acts 5:33-42
Originally preached May 8, 1966
Scripture
33¶ When they heard that, they were cut to the heart, and took counsel to slay them. 34Then stood there up one in the council, a Pharisee, named Gamaliel, a doctor of the law, had in reputation among all the people, and commanded to put the …
Sermon Description
Opposition to Christianity is nothing new. The apostles faced much resistance in their day when they proclaimed the gospel of the risen Christ. Listen to “The Nature of Unbelief” as Dr. Martyn Lloyd-Jones unpacks Acts 5:33–42, showing how this came primarily from the same Jewish leaders who had opposed the ministry of Christ and put Him to death. The Jewish leaders did this not because they were rational individuals who sought to preserve the truth, but because they had been blinded by sin and the devil. This is unbelief manifested. It is a reaction against the truth of the gospel that is produced by a sinful, fallen nature. As it was then in the early church, so it is also now. Modern humanity opposes the truth claims of Christianity because they think they are scientific and enlightened. This rejection of Christianity is really nothing more than the outworking of a fallen and sin-corrupted heart and mind. Humanity’s fundamental problem with the gospel is never a matter of intellectual objections alone, but with the heart. The heart of a person can only be renewed by the sovereign working of God’s Holy Spirit when it opens the eyes of the spiritually dead. The church should take great comfort in knowing that it is the Spirit of God that has the power to make even the most hardened sinners repent and believe.
Sermon Breakdown
- Unbelief is not new or modern. It has existed since the beginning of Christianity.
- Unbelief is not based on reason or intellect. The Sanhedrin wanted to kill the apostles without cause or evidence.
- The gospel message offers forgiveness, salvation and a new life. There is no reasonable objection to this message.
- The Sanhedrin were annoyed by the apostles because they were uneducated yet successful, and the gospel message contradicted their beliefs.
- Unbelief arises from the heart, not the mind. The Sanhedrin were "cut to the heart" and filled with rage.
- The Sanhedrin's conscience condemned them for crucifying Jesus. Unbelief often arises to escape conviction of sin.
- The gospel message is insulting to human pride because it says we are helpless sinners who need God's grace.
- The gospel message tells us the truth about ourselves - that we are sinners in need of salvation. This provokes antagonism.
- Unbelief is ultimately against God, not men. The Sanhedrin were fighting against God by opposing the apostles' message.
- The Sanhedrin failed to recognize the evidence that proved the apostles' message was from God. Unbelief blinds us to the truth.
- We must learn from the Sanhedrin's example, admit our sin and unbelief, and cry out to God for mercy.
Sermon Q&A
What Did Martyn Lloyd-Jones Teach About the Nature of Unbelief?
Based on Dr. Martyn Lloyd-Jones' sermon on Acts 5:33-42, here are key insights about unbelief and why people reject the gospel.
What are the common misconceptions about why people reject Christianity?
According to Lloyd-Jones, many people claim they reject Christianity because of modern knowledge or scientific advances, thinking it's a new, enlightened position. However, he points out that unbelief is as old as Christianity itself - the Sanhedrin rejected the gospel in exactly the same way modern people do. "Here at the very beginning the gospel was rejected in exactly the same way as it's being rejected today... there's nothing new about that."
How does Lloyd-Jones refute the idea that unbelief is based on reason?
Lloyd-Jones demonstrates that unbelief is actually irrational by examining the Sanhedrin's response: - They wanted to kill the apostles despite no crime being committed - They rejected a message of forgiveness and reconciliation with God - They were enraged at men who had healed a lame man - They ignored the evidence before their eyes "Unbelief, far from being based on reason and intellect, is nothing but sheer irrationality, utterly unreasonable, with nothing to be said in its defense."
What does Lloyd-Jones identify as the real causes of unbelief?
The sermon identifies several true causes of unbelief: 1. A matter of conscience - being troubled by one's sins 2. Pride - being offended that "ignorant and unlearned men" could speak with authority 3. The gospel telling uncomfortable truths about our condition 4. The gospel declaring we cannot save ourselves 5. The message that we need to be born again
Why does the gospel provoke such strong reactions?
Lloyd-Jones explains: "This is the gospel that tells us that we are so helpless and so sinful and so vile that it takes the Son of God to save us and to die for us on the cross on Calvary's hill, and more, that nothing but our being born again and having a new nature placed within us can possibly save us." This message offends human pride and self-sufficiency.
What is the most serious aspect of unbelief according to Lloyd-Jones?
The most serious aspect is that "unbelief is always against God." As Gamaliel warned the Sanhedrin, in rejecting the gospel, people are actually "fighting against God." Lloyd-Jones states: "The natural carnal mind is enmity against God... This is the most appalling and terrible aspect of unbelief. It is based upon a hatred of God."
What does Lloyd-Jones urge unbelievers to do?
He urges them to "learn the lesson from the members of the Sanhedrin. See the real nature of unbelief and turn from it and cry out to God for mercy and for compassion... Admit your failure, admit your sin. Admit your blindness. Admit your unbelief. Admit your utter helplessness."
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.