A "dead balloon" -- has no life. It continues to lie wherever you put it. It doesn't move. It has no power.
Take a "dead balloon" and do what Jesus did -- blow in it. What happens? It's full of air; but it is still dead, going nowhere until that power is released. [As an illustration, the "powered balloon" can be released.]
Under the "spirit's/breath's/wind's" power, the balloon can move. It goes out. However, when the wind power within the balloon is released, you don't know where the balloon is going to go; but …
ChristianGlobe Networks, Inc., by Brian Stofregen