Page:Divine Selection or The Survival of the Useful.djvu/62

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of the spirit wherein spiritual forces act; and that the body is simply the mind's instrument of consciousness and action in the natural world.

Let such a factor, a real, spiritual world, be introduced into our reasonings, and surely we have every cause for believing that the development of natural organisms has taken place through adjustment to external realities, and in a similar manner the mind is developed by adjustment to internal realities, which are properly called spiritual.

The intellect is adjusted to knowledge as surely as the fin is to the sea. Understanding bears the same relation to truth as the eye does to light. Love bears the same relation to the spirit as heat does to the body. The will hears as well as the body. The sense of right is adjusted to righteousness as feeling is to matter.

Is it too unreal a thing to believe