The wind{The same Greek word (pneuma) means wind, breath, and spirit.} blows where it wants to, and you hear its sound, but don't know where it comes from and where it is going. So is everyone who is born of the Spirit."

 3:14-15 And as Moses lifted up the serpent in the wilderness, so the Son of Man must be lifted up, that every one who believes in him may have eternal life. 