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Tue · Apr 7, 2026 · Eastertide

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First Reading · Acts 2:36-41

36Therefore let all the house of Israel know most certainly that God hath made both Lord and Christ, this same Jesus, whom you have crucified.37Now when they had heard these things, they had compunction in their heart and said to Peter and to the rest of the apostles: What shall we do, men and brethren?38But Peter said to them: Do penance: and be baptized every one of you in the name of Jesus Christ, for the remission of your sins. And you shall receive the gift of the Holy Ghost.39For the promise is to you and to your children and to all that are far off, whomsoever the Lord our God shall call.40And with very many other words did he testify and exhort them, saying: Save yourselves from this perverse generation.41They therefore that received his word were baptized: and there were added in that day about three thousand souls.

commentary

The crowd's response to Peter begins inwardly, they had compunction in their heart (v. 37), and only then becomes a question, What shall we do, men and brethren? Witham, in Haydock, glosses the compunction as sorrow for their sins, "especially against their Messias," the one Peter has just named as this same Jesus, whom you have crucified (v. 36). Luke also tells the reader that the sermon was longer than the page. With very many other words (v. 40) Peter testified and exhorted, and Witham takes the line as an admission that Luke gives only an abridgment of what Peter and the apostles said to the people. He adds, after Chrysostom, that Peter here and throughout Acts is "the mouth of all the rest."

The commentators separate two things in Peter's promise, you shall receive the gift of the Holy Ghost (v. 38). Witham reads it first as the grace of God received by those who are baptized believing and professing hope of salvation through Christ's merits, and only "perhaps" as tongues and miracles. Calmet draws the line more firmly. The gift is justifying grace, infused in the heart by the laver of regeneration; the exterior gifts of tongues, miracles and prophecy followed, in the first Church, more regularly from confirmation and the imposition of hands. Calmet also catches a difficulty in v. 39. Peter declares the promise is "to all that are far off," the Gentiles after the Jews, and yet later raised objections to going to baptize Cornelius. Calmet reconciles the two by supposing that Peter knew the Gentiles were called but did not know distinctly the time or the manner of their calling.

The question of v. 37 gets a direct answer, and the answer consists of acts, penance, baptism in the name of Jesus Christ, and separation from this perverse generation (v. 40). A sorrow that stays a feeling and never asks what it must do falls short of the compunction Witham describes, and a faith that hears the sermon and declines the water falls short of Peter's command. Calmet's reading of Peter himself adds a caution against assuming that one who announces a truth has grasped its full reach. Luke closes on a number, about three thousand souls (v. 41), added in that day, which Witham marks as the first day of Pentecost.

· sources ·

The complete public-domain commentary this reading's note draws from, unabridged. Every claim in the note traces to a passage here.

First Reading Acts 2:36-41

Haydock Catholic Bible Commentary · Public Domain
2:37

They had compunction in their heart, with sorrow for their sins, especially against their Messias. (Witham)

2:38

Be baptized: believing and making profession to believe, and hope for salvation, by the merits of Jesus Christ. Thus you shall receive the gift of the Holy Ghost, the grace of God, and perhaps those other gifts of speaking with tongues, working miracles, &c. (Witham) --- The gift of the Holy Ghost. That is, justifying grace, which is infused in our hearts by the laver of regeneration. The exterior gifts of the Holy Ghost, the gifts of tongues, of miracles, prophecy, &c. were, in the beginning of the Church, more regularly the consequence of confirmation or imposition of hands. (Calmet)

2:39

The promise is to you. The good tidings of salvation were first announced to the Jew, then to the Gentile; first to the domestics, then to the strangers, who are far off. It is rather singular, that St. Peter, after here so clearly shewing that the Gentiles are called to the faith, should afterwards have made such objections to go to baptize Cornelius, because he was a Gentile. This can only be reconciled, by supposing, he did not know distinctly the time nor the manner of their vocation. (Calmet)

2:40

And with a great many other words did he testify and exhort them. St. Luke only gives an abridgment of those exhortations, which St. Peter, and the apostles frequently gave to all the people. St. Peter, as St. John Chrysostom observes, and as we see in these Acts, was the mouth of all the rest. And on this first day of Pentecost, about three thousand were converted. (Witham)