Luke
Acts 2:38BSB·traditional attribution

Peter replied, “Repent and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit.

John Calvin Reformed

38. Peter said Hereby we see that those do never go away empty which ask at the mouth of the Lord, and do offer themselves unto him to be ruled and taught; for that promise must needs be true, Knock, and it shall be opened unto you, (Matthew 7:7.) Therefore, whosoever shall be rightly prepared to learn, the Lord will not suffer his godly desire...

Matthew Henry Presbyterian

We have seen the wonderful effect of the pouring out of the Spirit, in its influence upon the preachers of the gospel. Peter, in all his life, never spoke at the rate that he had done now, with such fulness, perspicuity, and power. We are now to see another blessed fruit of the pouring out of the Spirit in its influence upon the hearers of the gospel.

Commenting on Acts 2:37-41

John Gill Reformed Baptist

Either of the Messiah, and salvation by him, which was particularly given forth to the people of the Jews; or of the remission of sins, which was a branch of the covenant made with the house of Israel, in a spiritual sense, even the whole household of God; or of the pouring forth of the Spirit: and this promise was not only to them, but...