The Law of Nature here is as clear as Science can make it. In the words of Mr. Herbert Spencer, "It is a corollary from that primordial truth which, as we have seen, underlies all other truths, that whatever amount of power an organism expends in any shape is the correlate and equivalent of a power that was taken into it from without,"[82] We are dealing here with a simple question of dynamics. Whatever energy the soul expends must first be "taken into it from without." We are not Creators, but creatures; God is our refuge _and strength_. Communion with God, therefore, is a scientific necessity; and nothing will more help the defeated spirit which is struggling in the wreck of its religious life than a common-sense hold of this plain biological principle that without Environment he can do nothing. What he wants is not an occasional view, but a principle--a basal principle like this, broad as the universe, solid as nature. In the natural world we act upon this law unconsciously. We absorb heat, breathe air, draw on Environment all but automatically for meat and drink, for the nourishment of the senses, for mental stimulus, for all that, penetrating us from without, can prolong, enrich, and elevate life. But in the spiritual world we have all this to learn. We are new creatures, and even the bare living has to be acquired. Now the great point in learning to live is to live naturally. As closely as possible we must follow the broad, clear lines of the natural life. And there are three things especially which it is necessary for us to keep continually in view. The first is that the organism contains within itself only one-half of what is essential to life; the second is that the other half is contained in the Environment; the third, that the condition of receptivity is simple union between the organism and the Environment.