All theological error originates from the evil one. He is more cunningly skillful than we could ever know at leading people astray through academic and highly nuanced theological error. As is true with every other danger that we face, when we come to study theological error we must remember the words of the Apostle Paul: “Let him who thinks he stands take heed lest he fall.”

There is a profoundly important section titled, “On the Preaching of the Word,” in The Directory for the Public Worship of God, in which we find a very short and very wise statement about the minister’s responsibility to refute false teaching in the church. What is most captivating about the brief statement found therein is that it instructs concerning, first, the dangers of talking about false teaching, and, second, the necessity of refuting false teaching in the church.

As the Divines unfolded their beliefs about how ministers should approach the aspect of refuting theological error in their preaching, they wrote:

In confutation of false doctrines, he [i.e. the minister] is neither to raise an old heresy from the grave, nor to mention a blasphemous opinion unnecessarily: but, if the people be in danger of an error, he is to confute it soundly, and endeavor to satisfy their judgments and consciences against all objections.

The rationale for this statement is dependent on understanding the nature of false teaching itself. In short, ideas can and often do have massive spiritual consequences. J. Gresham Machen made the important statement about the implications of false teachings and ideologies when he wrote:

False ideas are the greatest obstacles to the reception of the gospel…What is today a matter of academic speculation begins tomorrow to move armies and pull down empires. In that second stage, it has gone too far to be combated; the time to stop it was when it was still a matter of impassioned debate.1

Since beliefs inevitably have consequences on our lives and actions, the Divines first warn against our “raising an old heresy from the grave, nor to mention a blasphemous opinion unnecessarily.” They do not say this to be necessarily or fearfully censorious, or to bury their heads in the sand rather than deal with difficult theological matters. Rather, they raise this warning because of the nature of false teaching.

When I was a young Christian, a friend taught me that “whenever false teaching is taught in a nuanced fashion there is always the danger that some who hear it will be drawn into it.” He went on to explain that this is true within the realm of relationships, as well. Whenever we start to enter into debate with those with whom we disagree we are in danger of becoming more like them–as well as becoming more susceptible to being influenced by their beliefs. It is not guaranteed that this will happen, but it is certainly a very real and ever present danger. Tragically, years after sharing this thought with me, my friend went on to embrace a sinful lifestyle due in part to the public discussions about, and approval of, that particular sin. Additionally, I have watched–with great heaviness of heart–as a minister of the Gospel walked away from Protestantism in the midst of engaging, on church court levels, with men who were being tried for holding to aberrant theological views on the sacraments and soteriology. Whether engagement with sacramentalist views were the cause of his departing from the truth or not, I cannot help but wonder what impact interacting with aberrant teaching had on this particular individual.

This danger must be highlighted within the realm of pastoral ministry in the church. There are some who thrive on debating theological issues. This can be harmful to the members of a church because some members already have misguided beliefs, and some have a very small knowledge of doctrine. In the case of the first group, introducing old heresies can encourage more confusion. I have, time and again, seen individuals start to dabble with heresy because they already had misguided beliefs based on their erroneous knowledge of Scripture. In the case of the latter group, introducing theological error–even in the name of “discernment”–can end in filling the minds of God’s people with falsehood when they ought to be filling their minds with the truth. Far better to teach them the nuances of the truth of Scripture so that they will be able to discern falsehood when confronted with it. You don’t study a counterfeit dollar bill to spot a counterfeit; you study the real dollar currency so that you will be better suited to spot the counterfeit.

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