Matthew Henry Commentary Acts 10:44-48

"While Peter yet spake these words, the Holy Spirit fell on all them that heard the word. And they of the circumcision that believed were amazed, as many as came with Peter, because that on the Gentiles also was poured out the gift of the Holy Spirit. For they heard them speak with tongues, and magnify God. Then answered Peter, Can any man forbid the water, that these should not be baptized, who have received the Holy Spirit as well as we? And he commanded them to be baptized in the name of Jesus Christ. Then prayed they him to tarry certain days." — Acts 10:44-48 (ASV)

The Holy Ghost fell upon others after they were baptized, to confirm them in the faith; but upon these Gentiles before they were baptized, to show that God does not confine Himself to outward signs. The Holy Ghost fell upon those who were neither circumcised nor baptized; it is the Spirit that quickeneth, the flesh profiteth nothing. They magnified God, and spoke of Christ and the benefits of redemption.

Whatever gift we are endowed with, we ought to honor God with it. The believing Jews who were present were astonished that the gift of the Holy Ghost was also poured out upon the Gentiles. By mistaken notions of things, we make it difficult for ourselves regarding the methods of Divine providence and grace.

Since they were undeniably baptized with the Holy Ghost, Peter concluded they were not to be refused the baptism of water, and the ordinance was administered. The argument is conclusive; can we deny the sign to those who have received the things signified? Those who have some acquaintance with Christ cannot help but desire more.

Even those who have received the Holy Ghost must see their need to learn more of the truth daily.