Peter preached Jesus to that company of attentive hearers; His life, ministry, miracles, betrayal, crucifixion, resurrection, and ascension, and His work in heaven, as man's Representative and Advocate, to plead in the sinner's behalf. As the apostle spoke, his heart glowed with the Spirit of God's truth which he was presenting to the people. His hearers were charmed by the doctrine they heard, for their hearts had been prepared to receive the truth. The apostle was interrupted by the descent of the Holy Ghost, as was manifested on the day of Pentecost. “And they of the circumcision which believed were astonished, as many as came with Peter, because that on the Gentiles also was poured out the gift of the Holy Ghost. For they heard them speak with tongues, and magnify God. Then answered Peter, Can any man forbid water, that these should not be baptized, which have received the Holy Ghost as well as we? And he commanded them to be baptized in the name of the Lord. Then prayed they him to tarry certain days.” SR 289.1
The descent of the Holy Ghost upon the Gentiles was not an equivalent for baptism. The requisite steps in conversion, in all cases, are faith, repentance, and baptism. Thus the true Christian church are united in one Lord, one faith, one baptism. Diverse temperaments are modified by sanctifying grace, and the same distinguishing principles regulate the lives of all. Peter yielded to the entreaties of the believing Gentiles, and remained with them for a time, preaching Jesus to all the Gentiles thereabout. SR 289.2
When the brethren in Judea heard that Peter had preached to the Gentiles, and had met with them and eaten with them in their houses, they were surprised and offended by such strange movements on his part. They feared that such a course, which looked presumptuous to them, would tend to contradict his own teachings. As soon as Peter visited them, they met him with severe censure, saying, “Thou wentest in to men uncircumcised, and didst eat with them.” SR 290.1