III. We have the last soaring desire which rises above the limits of the present. These three petitions teach the insatiableness, if we may use the word, of devout desires. Each request granted brings on a greater. 'The gift doth stretch itself as 'tis received.' Enjoyment increases capacity, and increase of capacity is increase of desire. God being infinite, and man capable of indefinite growth, neither the widening capacity nor the infinite supply can have limits. This is not the least of the blessings of a devout life, that the appetite grows with what it feeds on, and that, while there is always satisfaction, there is never satiety.
Moses' prayer sounds presumptuous, but it was heard unblamed, and granted in so far as possible. It was a venial error--if error it may be called--that a soul, touched with the flame of divine love, should aspire beyond the possibilities of mortality. At all events, it was a fault in which he has had few imitators. _Our_ desires keep but too well within the limits of the possible. The precise meaning of the petition must be left undetermined. Only this is clear, that it was something far beyond even that face-to-face intercourse which he had had, as well as beyond that vision granted to the elders. If we are to take 'glory' in its usual sense, it would mean the material symbol of God's presence, which shone at the heart of the pillar, and dwelt afterwards between the cherubim, but probably we must attach a loftier meaning to it here, and rather think of what we should call the uncreated and infinite divine essence. Only do not let us make Moses talk like a metaphysician or a theological professor. Rather we should hear in his cry the voice of a soul thrilled through and through with the astounding consciousness of God's favour, blessed with love-gifts in answered prayers, and yearning for more of that light which it feels to be life.
And if the petition be dark, the answer is yet more obscure 'with excess of light.' Mark how it begins with granting, not with refusing. It tells how much the loving desire has power to bring, before it speaks of what in it must be denied. There is infinite tenderness in that order of response. It speaks of a heart that does not love to say 'no,' and grants our wishes up to the very edge of the possible, and wraps the bitterness of any refusal in the sweet envelope of granted requests. A broad distinction is drawn between that in God which can be revealed, and that which cannot. The one is 'glory,' the other 'goodness,' corresponding, we might almost say, to the distinction between the 'moral' and the 'natural' attributes of God. But, whatever mysterious revelation under the guise of vision may be concealed in these words, and in the fulfilment of them in the next chapter, they belong to the 'things which it is impossible for a man to utter,' even if he has received them. We are on more intelligible ground in the next clause of the promise, the proclamation of 'the Name.' That expression is, in Scripture, always used as meaning the manifested character of God. It is a revelation addressed to the spirit, not to the sense. It is the translation, so far as it is capable of translation, of the vision which it accompanied; it is the treasure which Moses bore away from Sinai, and has shared among us all. The reason for his prayer was probably his desire to have his mediatorial office confirmed and perfected; and it was so, by that proclamation of the Name. The reason for this marvellous gift is next set forth as being God's own unconditional grace and mercy. He is His own motive, His own reason. Just as the independent and absolute fullness of His being is expressed by the name 'I am that I am,' so the independent and absolute freeness of His mercy, whether in granting Moses' prayer or in pardoning the people, is expressed by 'I will shew mercy on whom I will shew mercy.' Not till all this exuberance of gracious answer has smoothed the way does the denial of the impossible request come; and even then it is so worded as to lay all the emphasis on what is granted, and to show that the refusal is but another phase of love. The impossibility of beholding the Face is reiterated, and then the careful provisions which God will make for the fulfilment of the possible part of the bold wish are minutely detailed. The distinction between the revealable and unrevealable, which has been already expressed by the contrast of 'glory' and 'grace,' now appears in the distinction between the 'face' which cannot be looked on, and the 'back' which may be.