37Now when they heard this, they were cut to the heart, and they asked Peter and the other apostles, “What are we to do, my brothers?”#t. [2:37] Lk 3:10. 38Peter [said] to them, “Repent and be baptized,#Repent and be baptized: repentance is a positive concept, a change of mind and heart toward God reflected in the actual goodness of one’s life. It is in accord with the apostolic teaching derived from Jesus (Acts 2:42) and ultimately recorded in the four gospels. Luke presents baptism in Acts as the expected response to the apostolic preaching about Jesus and associates it with the conferring of the Spirit (Acts 1:5; 10:44–48; 11:16). 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.#u. [2:38] 3:19; 16:31; Lk 3:3. 39For the promise is made to you and to your children and to all those far off, whomever the Lord our God will call.”#v. [2:39] Is 57:19; Jl 3:5; Eph 2:17. 40He testified with many other arguments, and was exhorting them, “Save yourselves from this corrupt generation.”#w. [2:40] Dt 32:5; Ps 78:8; Lk 9:41; Phil 2:15. 41Those who accepted his message were baptized, and about three thousand persons were added that day.#x. [2:41] 2:47; 4:4; 5:14; 6:7; 11:21, 24; 21:20. #The first of three summary passages (along with Acts 4:32–37; 5:12–16) that outline, somewhat idyllically, the chief characteristics of the Jerusalem community: adherence to the teachings of the Twelve and the centering of its religious life in the eucharistic liturgy (Acts 2:42); a system of distribution of goods that led wealthier Christians to sell their possessions when the needs of the community’s poor required it (Acts 2:44 and the note on Acts 4:32–37); and continued attendance at the temple, since in this initial stage there was little or no thought of any dividing line between Christianity and Judaism (Acts 2:46). 42#y. [2:42–47] 4:32–35. They devoted themselves to the teaching of the apostles and to the communal life, to the breaking of the bread and to the prayers.#z. [2:42] 1:14; 6:4. 43Awe came upon everyone, and many wonders and signs were done through the apostles.#a. [2:43] 5:12–16.