Acts 2:37-41 - The Response To Peter's Sermon
37 And hearing [this] they were distressed in mind, and said to Peter and the rest of the apostles, Men and brothers, what shall we do?
38 And Peter said to them, Change your minds, and be baptized every one of you in the name of Jesus Christ for the forgiveness of sins, and you shall receive the gift of the Holy Spirit. 39 For the promise is to you and your children, and to all that are afar off, as many as the Lord our God shall call. 40 And with many other words he testified and exhorted, saying, Save yourselves from this perverse generation.
41 Then those that received his word were baptized, and there were added on that day about three thousand souls;