He told His followers to wait in Jerusalem for the baptism of the Holy Spirit before He went to heaven (Acts 1:4-5). One hundred twenty people who follow Jesus got together to pray and wait for the promise to come true. Then Peter, acting quickly, spoke up and said that Judas had to be replaced. He read a line from Psalm 109:8 that talked about someone else taking the place of Judas. Somehow, it felt like there had to be twelve, like the twelve tribes of Israel (Luke 22:28–30). Peter told the group that it had to be someone who had been with them from the start of Jesus’ mission and had seen the Lord after he rose from the dead. That was what Peter needed to do to become a missionary.
