There is but one kind of unity or oneness which fulfils the specified conditions, and that is, oneness of character or of spiritual life--in one word, the oneness of love;--for this is the highest condition of a personal spirit. It is such love as God had and has to Christ; "That the love wherewith thou has loved me may be in them;" such love as the Son has to the Father, and such as He manifested to His disciples that very evening when, conscious of His divine glory, and "knowing that he was come from God, and went to God," He girded Himself with a towel and washed His disciples' feet. Hence the declaration, "The glory," that is, of character, "which thou gavest me I have given them, that they," through its possession, "may be one, even as we are one: I in them, and thou in me." Hence again His saying, "They are not of the world, even as I am not of the world;" and His prayer, "I pray not that thou shouldst take them out of the world, but that thou shouldst keep them from the evil." Such love as this, when in the soul of ordinary men, does not originate in their own hearts, however naturally benevolent or affectionate these may be. Our Lord in this prayer recognizes it as inseparable from faith in His own teaching, and from personal conviction of the truth which they themselves were to preach; for they had received His words, and had "known surely that I came out from thee, and they have believed that thou didst send me"; and so He prays, "Sanctify them through thy truth; thy word is truth."