This man had been instructed in the way of the Lord; and being fervent in spirit, he spoke and taught accurately the things of the Lord, though he knew only the baptism of John. Acts 18:25

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The previous verse introduced Apollos, noting that he was an eloquent man and mighty in the Scriptures and that he had come to Ephesus. Luke next records, “This man had been instructed in the way of the Lord.”

The verb being imperfect gives the sense of “He was being instructed.” He didn’t just get instructed at a certain point, but his instruction was ongoing in nature. He continued pursuing the knowledge of “the way of the Lord.”

These words are both technical and descriptive. The faith was called “the Way” at this time (Acts 9:2, for example). At the same time, it is technical in the sense that he understood the doctrine of the Lord. Today someone might say, the “religion” of Christ in a comparable sense. Therefore, he knew both what Jesus taught and he knew what was taught concerning the Lord. Next, it says of him, “and being fervent in spirit.”

The word translated as “fervent” is zeó. It is an onomatopoeia. It describes the sound of boiling water. It means to bubble over because it is hot enough to boil. Figuratively, it means showing great zeal or being keenly passionate, as if one is boiling with great interest or desire. It is found only here and in Romans 12:11.

The words “in spirit” surely refer to his spirit, not the Holy Spirit. He was zealous for his doctrine and instruction. The words “spoke” and “teach” are in the imperfect tense and should be rendered as “speaking” and “teaching.” He continuously did these things. One can imagine Apollos simply exuded with his love of telling others about the Lord and explaining the wonderful things He has done. Therefore, it next says that “he spoke and taught accurately the things of the Lord.”

The Greek word translated as “accurately,” akribós, is described by HELPS Word Studies, saying, “This root (akrib-) refers to gaining exact information with the highest level of accuracy (‘exactness’) and is acquired by probing investigation to provide a comprehensive circumspect (precise) view in strict adherence to the facts.”

What this means is that his instruction and his knowledge of the Scriptures had led him to know and understand that Jesus is, in fact, the Christ. And so, this is what he proclaimed. His deficiency in the faith that will next be described was a result of a lack of instruction on doctrinal matters, but not a lack of understanding who Christ is and what role He filled. Why is this important? Why is this being relayed to us? The answer is seen in the final words of the verse, saying, “though he knew only the baptism of John.”

The implication is that Apollos was, at this time, a saved Jew. He was a believer. Because this is so it reveals an important truth. Even though he was saved, he only knew of John’s baptism. Therefore, it is sure evidence against those heretics who say that water baptism is a necessary condition for salvation, thus adding works to the simple gospel of Jesus Christ.

Rather, water baptism is an issue of obedience and right doctrine. This is what is being conveyed, and it is fully supported by verse 27 as well as what will occur in Chapter 19. Despite being a descriptive passage, the internal clues about the faith of Apollos still help us to more accurately understand Paul’s prescriptive words in the epistles.

Life application: The simple (and only gospel) is belief in the finished work of Jesus Christ. He died for our sins. He was buried. He rose again. This was in accord with Scripture and it is what we need to know in order to be saved. If we believe that He has done these things, God will accept our faith and impute to us the righteousness of Christ.

Salvation and proper doctrine do not necessarily go hand in hand, except proper doctrine on how to be saved. But for other matters, such as the rapture or how to properly conduct oneself in life as a Christian, one must learn those things. However, they have no bearing on the matter of getting saved or remaining saved.

Water baptism is an external sign of the inward change that has taken place in us. And yet, it is a command of the Lord. As such, to not receive water baptism is disobedience to His command. Thus, to refuse to be water baptized when it is clearly known that Jesus stated to do so will result in a loss of rewards, but it will not affect one’s salvation. Get these things right, be saved through belief, and then be baptized as an open profession that you are a saved believer and follower of Jesus.

Lord God, thank You for what You have done in the giving of Jesus. May we be obedient to the faith we profess and adhere to the word that has been given to us after we are saved. Help us to pursue proper doctrine all our days. May You be glorified as we do. Amen.