Yet the only alternative--that the world itself is eternal--though it gets over this difficulty, is still inadequate. For as we have seen God possesses _moral_ attributes as well, such as Goodness. And all moral attributes--everything connected with right and wrong--can only be thought of as existing between two _persons_. We cannot be good to an atom of hydrogen, or unjust to a molecule of water. We can it is true be kind to _animals_, but this is simply because they resemble personal beings in having a capacity for pleasure and pain. But moral attributes in their highest perfection can only exist between two persons. Therefore as the eternal God possesses, and must always have possessed, such attributes, it seems to require some other eternal _Person_. The argument is perhaps a difficult one to follow, but a single example will make it plain. Take the attribute of _love_. This requires at least two persons--one to love, the other to be loved. Therefore if love has always been one of God's attributes, there must always have been some _other_ person to be loved. And the idea that God might have been eternally _creating_ persons, like men or angels, as objects of His love, though perhaps attractive, is still inadequate. For love in its perfection can only exist between two beings _of the same nature_. A man cannot love his dog, in the same way that he can love his son. In short, _personality_, involving as it does moral attributes like love, implies _fellowship_, or the existence of other and _similar_ persons. Yet, when we think of the meaning of the term God, His omnipresence and omnipotence, it seems impossible that there can be more than one. We must then believe in at least two Eternal and Divine Persons, yet in but one God; and the Christian doctrine of the Trinity in Unity, with all its difficulties, still seems the _least_ difficult explanation. But this is not all, for Natural Religion itself leads us to look upon God in _three_ distinct ways, which correspond to the three chief arguments for His existence. (Chaps. I., II., and V.) Thus we may think of Him as the Eternal, Self-Existent One, altogether independent of the world--the All-Powerful _First Cause_ required to account for it. Or we may think of Him in His relation to the world, as its Maker and Evolver, working everywhere, in everything and through everything,--the All-Wise _Designer_ required by nature. Or we may think of Him in His relation to ourselves as a Spirit holding intercourse with our spirits, and telling us what is right--the All-Good _Moral_ God required by conscience. And how well this agrees with the Christian doctrine scarcely needs pointing out; the Father the Source of all, the Son by Whom all things were made, and the Spirit bearing witness with our spirits; and yet not three Gods, but one God.