God does not need an invitation. He goes where He will, when He will, how He will—and even beyond that, He is in all and through all, and there is nowhere that He is not. But the invitation is not for God; the invitation is the mental assent which prepares our hearts to be receptive of the King in all His majesty, to the possibility of this encounter with the One who is always with us and yet whose presence can be manifest in such a powerful way that the material world is disrupted by that which it can neither see nor comprehend...