St. Luke tells us that when the Holy Spirit came upon the apostles at Pentecost, a rushing wind from heaven filled the whole house where they were staying (Acts 2:2). In the midst of all the excitement, Peter addressed the crowd that had gathered outside in what was the public preaching of Christ. Peter explained to the people what was happening, but he also invited them to receive the Holy Spirit as well. It’s as if Peter knew instinctively that this gift of God was meant for everyone, and he was more than happy to "give it away."