He said unto them, Have ye received the Holy Ghost since ye believed? And they said unto him, We have not so much as heard whether there be any Holy Ghost. Have ye received the Holy Ghost - It is likely that these were Asiatic Jews, who, having been at Jerusalem about twenty-six years before this, had heard the preaching of John, and received his baptism, believing in the coming Christ, whom John had proclaimed; but it appears that till this time they had got no farther instruction in the Christian religion. Paul, perceiving this, asked them if they had received the Holy Ghost since they believed? For it was the common privilege of the disciples of Christ to receive, not only the ordinary graces, but also the extraordinary gifts of the Holy Spirit; and thus the disciples of Christ differed from those of John, and of all others. John baptized with water; Jesus baptized with the Holy Ghost. And to this day the genuine disciples of Christ are distinguished from all false religionists, and from nominal Christians, by being made partakers of this Spirit, which enlightens their minds, and convinces of sin, righteousness, and judgment; quickens their souls, witnesses to their conscience that they are the children of God, and purifies their hearts. Those who have not received these blessings from the Holy Spirit, whatever their profession may be, know nothing better than John's baptism: good, excellent in its kind, but ineffectual to the salvation of those who live under the meridian of Christianity.
We have not so much as heard whether, etc. - That is, they had not heard that there were particular gifts and graces of the Holy Spirit to be received. They could not mean that they had not heard of the Holy Spirit; for John, in his baptism, announced Christ as about to baptize with the Holy Ghost, Matthew 3:11; Luke 3:16; but they simply meant that they had not heard that this Spirit, in his gifts, had been given to or received by any one.