The sorrow of life is the rigidity of the material universe in which we are placed. We are bound by physical laws, and there is a constant pressure of matter-of-fact evidence to prove that we are nothing but common and cheap products of the earth to which in a few moments or years we return. Spinoza’s chief aim is to free us from this sorrow, and to free us from it by _thinking_. The emphasis on this word is important. He continually insists that a thing is not unreal because we cannot imagine it. His own science, mathematics, affords him examples of what _must_ be, although we cannot picture it, and he believes that true consolation lies in the region of that which cannot be imaged but can be thought. Setting out on his quest, he lays hold at the very beginning on the idea of Substance, which he afterwards identifies with the idea of God. “By Substance I understand that which is in itself and is conceived through itself; in other words, that, the conception of which does not need the conception of another thing from which it must be formed.” {34a} “By God, I understand Being absolutely infinite, that is to say, substance consisting of infinite attributes, each one of which expresses eternal and infinite essence.” {34b} “God, or substance consisting of infinite attributes, each one of which expresses eternal and infinite essence, necessarily exists.” {34c} By the phrases “in itself” and “by itself,” we are to understand that this conception cannot be explained in other terms. Substance must be posited, and there we must leave it. The demonstration of the last-quoted proposition, the 11th, is elusive, and I must pass it by, merely observing that the objection that no idea involves existence, and that consequently the idea of God does not involve it, is not a refutation of Spinoza, who might rejoin that it is impossible not to affirm existence of God as the _Ethic_ defines him. Spinoza escapes one great theological difficulty. Directly we begin to reflect we are dissatisfied with a material God, and the nobler religions assert that God is a Spirit. But if He be a pure spirit whence comes the material universe? To Spinoza pure spirit and pure matter are mere artifices of the understanding. His God is the Substance with infinite attributes of which thought and extension are the two revealed to man, and he goes further, for he maintains that they are one and the same thing viewed in different ways, inside and outside of the same reality. The conception of God, strictly speaking, is not incomprehensible, but it is not _circum_-prehensible; if it were it could not be the true conception of Him.