Verses 1-4, “And it happened, while Apollos was at Corinth, that Paul, having passed through the upper regions, came to Ephesus. And finding some disciples he said to them, 'Did you receive the Holy Spirit when you believed?' So they said to him, 'We have not so much as heard whether there is a Holy Spirit.' And he said to them, 'Into what then were you baptized?' So they said, 'Into John’s baptism.' Then Paul said, “John indeed baptized with a baptism of repentance, saying to the people that they should believe on Him who would come after him, that is, on Christ Jesus.” The Ephesians knew enough about Jesus to get saved, but they did not seem to know about the promise of the Holy Spirit after Jesus' departure. Something prompted Paul to ask them, which means that there could have been noticable signs of their lacking, and that Paul discerned it spiritually. Sometimes we may think we can get away with hiding things from other believers, but you ca...