The changes we witness are in its distribution.
But, since the soul must be regarded as an active principle, to call a new one into existence out of nothing is necessarily to add to the force previously in the world.

And, if this has been done in the case of every individual who has been born, and is to be repeated for every individual hereafter, the totality of force must be continually increasing.
Moreover, to many devout persons there is something very revolting in the suggestion that the Almighty is a servitor to the caprices and lusts of man, and that, at a certain term after its origin, it is necessary for him to create for the embryo a soul.
Considering man as composed of two portions, a soul and a body, the obvious relations of the latter may cast much light on the mysterious, the obscure relations of the former.

Now, the substance of which the body consists is obtained from the general mass of matter around us, and after death to that general mass it is restored.

Has Nature, then, displayed before our eyes in the origin, mutations, and destiny of the material part, the body, a revelation that may guide us to a knowledge of the origin and destiny of the companion, the spiritual part, the soul?
Let us listen for a moment to one of the most powerful of Mohammedan writers: "God has created the spirit of man out of a drop of his own light; its destiny is to return to him.

Do not deceive yourself with the vain imagination that it will die when the body dies.