And suddenly there came a sound from heaven as of a rushing mighty wind, and it filled all the house where they were sitting. It was not wind but a sound like wind, something resembling a rushing hurricane. This sound was not of earth, but of heaven, and it was symbolic. It announced the presence of the Holy Spirit. The wind is another of those divinely chosen biblical symbols of the Spirit of God. He comes from heaven; He fills the world; He moves at will. He cannot