The recipe for salvation was given in Acts 2. This is the dividing line between the Old Covenant and the New. The Spirit guided Peter's words and allowed the message to be heard in all the languages present. The recipe for salvation was given. Repent of your sins, accept Yeshua as the Messiah/Son of God, and be baptized if you want to be in the kingdom. This is the Gospel that was preached to the known world from that moment on. Blessed be YHVH for sending His Son to redeem all mankind who will accept the Messiah!