The wind blows where it wills, and you can hear the sound of it, but you do not know whence it comes, or where it goes; it is the same with every one that owes his birth to the Spirit."
When their prayer was ended, the place in which they were assembled was shaken; and they were all filled with the Holy Spirit, and began to tell God's Message fearlessly.
For what man is there who knows what a man is, except the man's own spirit within him? So, also, no one comprehends what God is, except the Spirit of God.