Is Apologetics Necessary in the Christian Faith?

What is the appropriate role of apologetics in Christianity? In other words, should apologetics be used for evangelism or strengthening the church?

According to Caner, the ultimate goal of apologetics is to “defend Christianity in the context of an unbelieving and skeptical world.”  While this certainly is one of the goals of apologetics, I don’t think this definition clearly defines the “ultimate goal.” I would view this preceding definition as a marker necessary to reach the ultimate goal of apologetics, which is to be an effective witness for Christ. It is also recognized that Christians could not be effective witnesses for Christ if Christianity is desecrated by the attacks of culture. In this sense, apologetics is necessary for both a defense of the faith and the propagation of the faith. 1 Peter 3:15 is the quintessential verse in explaining the purpose of apologetics: “but in your hearts honor Christ the Lord as holy, always being prepared to make a defense to anyone who asks you for a reason for the hope that is in you; yet do it with gentleness and respect.”

From classical apologetics (evidence from natural revelation) to the more current trend of cultural apologetics (evidence from the genre of art within a culture), defending and explaining the Christian faith in an intellectual, reasonable way provides a rational warrant for the Christian faith. Such a rational warrant is endorsed and encouraged throughout the pages of Scripture. Therefore, apologetics should be used for both evangelism and the strengthening of the church. Referring back to 1 Peter 3:15, we notice a dual purpose of apologetics that includes both believer and unbeliever. For the believer, apologetics honors Christ the Lord as holy. It also prepares the believer to give a reasonable answer to their faith, thus strengthening the believer in their faith (Apologetics can take a believer from implicit faith in Christian truths to explicit faith). Lastly, apologetics can teach a believer to argue and defend the faith in a way that does not contradict gentleness and respect.

For the unbeliever, the purpose of apologetics is evident: they will be given a “reason” for the hope that is in the Christian. A rational justification of Christianity is necessary and can act as a means of “preevangelism” in the salvation of the sinner. The words of Princeton theologian J. Gresham Machen are applicable here:

“False ideas are the greatest obstacles to the reception of the Gospel. We may preach with all the fervor of a reformer and yet succeed only in winning a straggler here and there, if we permit the whole collective thought of the nation to be controlled by ideas which prevent Christianity from being regarded as anything more than a harmless delusion.”