"And Jesus came and said to them, 'All authority in heaven and on earth has been given to me. Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age.'" —Matthew 28:18-20
These words seem to be the most abused and intentionally obscured words of the day, by those who peddle anthropocentric "church growth" programs. More often than not, those words of Christ are twisted into complex theories of what we should be doing to evangelize the world. The peddlers of "church growth" programs and the consultants who sell these programs often view Matthew 28:18-20 through the lens of false teachings such as the so-called "social gospel," the teaching "everyone is a minister," and decision theology. This should give us great pause as Lutherans; especially when we see Lutheran congregations infatuated with programs inspired by Rick Warren and Bill Hybels. Evangelicals who do not confess salvation by grace alone through faith alone in Christ, and the doctrine of original sin, will weave their theology into their ideas. Simply put, theology informs our practice.
I believe the Scriptures, as expressed by the Lutheran confessions, can give us a proper understanding of why people are brought to faith. The Small Catechism reads,
"I believe that I cannot by my own reason or strength believe in Jesus Christ, my Lord, or come to Him; but the Holy Ghost has called me by the Gospel, enlightened me with His gifts, sanctified and kept me in the true faith; even as He calls, gathers, enlightens, and sanctifies the whole Christian Church on earth, and keeps it with Jesus Christ in the one true faith; in which Christian Church He forgives daily and richly all sins to me and all believers, and at the last day will raise up me and all the dead, and will give to me and to all believers in Christ everlasting life. This is most certainly true." (The Third Article)
This is consistent with Scriptures such as John 6:44, Acts 2:47, Acts 16:14, Philippians 1:29, 2:13, Ephesians 2:8, and 1 Corinthians 12:3 that tell us we have been drawn to Christ by God the Father; being given a gift of faith through hearing His Word (Romans 10:17).
The Solid Declaration of the Formula of Concord (II 25-26) unpacks the explanation of the Third Article a bit more,
"In this way, too, the Holy Scriptures do not credit the human powers of the natural free will with conversion, faith in Christ, regeneration, renewal, and all that belongs to their effective beginning and end. They do not credit free will the whole way, half way, or in any way, even in the smallest or most trivial way. They credit conversion solely and completely to the Holy Spirit's divine work, as also the Apology teaches.
Reason and free will are able to live an outwardly decent life to a certain extent. But only the Holy Spirit causes a person be born anew [John 3:5] and to have inwardly another heart, mind, and natural desire. He opens the mind and heart to understand the Scriptures and to listen to the Word, as it is written in Luke 24:45, 'Then He opened their minds to understand the Scriptures.'" ("Concordia The Lutheran Confessions: A Reader's Edition of the Book of Concord, 2nd ed., p. 525)

So-called "church growth" programs are devised by people who deny core teachings of the Scriptures as expressed in the Lutheran symbols as found above. Some of the Scriptural teachings implicitly rejected by "church growth" programs is the doctrine of original sin and the subsequent teaching that we do not have a will that is free to make a decision for Jesus. The "Church growth" movement enshrines decision theology which wrongly teaches we have a spark of good in our natures which allows us the freedom to reason our way to Christ.
Lutherans using Methobapticostal influenced sources of "church growth" to fuel their own programs reminds me of the practice of theological liberals who sort through the Scriptures, picking and choosing what they believe are divinely inspired words and tossing the rest out as mythological stories. Christ Himself tells us in Matthew 28 that all authority has been given to Him. His Church has not been authorized to dissect His commission into pieces from which we choose parts to inspire whole systems of "evangelism" which aren't even recognizable as something coming from His Word.
Christ's commission is quite simple and has to be, since He is dealing with sinners who are still "fleshly" and like to build up great monstrosities of works so that we feel we have done something for Him. Jesus said to teach and baptize, but today we have to have things like "coffee house outreach" and "Christian Rockfest", because the Holy Spirit working through the proclamation of the pure word of God isn't believed to be truly efficacious in bringing about repentance. Despite our "best" or "worst" evangelism efforts, the Holy Spirit continues to draw people to Jesus. Those chosen for salvation will not be snatched out of Christ's hand (John 10:29) by any of our works; neither will anyone be persuaded to make a decision for Christ by any program we concoct. The salvation of souls is the work of the Holy Spirit and Christ has instituted the means through which the Holy Spirit works and that is through His Word.
Lutherans adopting "church growth" practices have gotten something horribly wrong somewhere in their doctrine. This should be of great concern because eventually such errors impinge upon the teaching of justification by grace alone through faith alone in Christ. Talk of "busting down" cultural barriers, or being more "permeable" to the culture around us, in order to bring the Word of God to people smacks of decision theology at some level, such as in a denial of original sin, or an expression that human powers are somehow responsible for opening the human mind up to receive faith. Indeed, this summarizes the whole "seeker sensitive" movement which guts out the divine service and creates a kinder, friendlier, "worship" service in order to make the "unchurched" more comfortable. Here the divine service is gutted out and treated as an evangelism tool. Feeding the Lord's sheep through His means of grace necessarily suffers as the liturgy is either abandoned or is marginalized as is the case within most of American Evangelicalism today.

Jesus gave the Apostles the teaching they needed in order to understand how His commission was to unfold in "all nations." They went out and preached the good news. They preached the gospel, baptized, and taught all things Jesus taught them (doctrine). As the Apostles went town to town preaching, baptizing, and teaching, the Holy Spirit added to the Church daily those chosen for salvation. That all authority in heaven and earth is given to Christ means that His commission given to the Church is centered around Him. In other words, growing church is part of the theology of the cross and not the theology of glory which infects American Evangelical Christianity. "Church growth" is really all about Christ coming to us sinners with the forgiveness of sins. For Lutherans that shouldn't be surprising.
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