Acts 2:37-41 - The Response To Peter's Sermon
37 And, hearing this, they were pricked in the heart, and said to Peter, and the rest of the apostles, "Brethren! what shall we do?"
38 And Peter said to them, "Repent, and be immersed each one of you, in the name of Jesus Christ, unto remission of your sins; and ye shall receive the gift of the Holy Spirit; 39 for the promise is to you, and to your children, and to all those afar off??s many as the Lord our God shall call to Him." 40 Also with many other words he testified, and exhorted them, saying, "Be saved from this perverse generation!"
41 Those, therefore, who gladly received his word, were immersed; and there were added to them on that day about three thousand souls;