He determines the number of the stars; he calls them all by their names.
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Augustine of Hippo
8. "Who telleth the number of the stars, and calleth them all by their names" (ver. 4). What great matter is it for God to "tell the number of the stars"! Men even have endeavoured to do this; whether they have been able to achieve it, is their concern; they would not however attempt it, did they not think that they should achieve it. Let us leave alone what they can do, and how far they have attained; for God I think it no great matter to count all the stars. Or doth He perhaps go over the number, lest He should forget it? Is it any great thing for God to number the stars, by whom "the veryhairs of your head are numbered"? The stars are certain lights in the Church comforting our night;all-of whom the Apostle saith, "In the didst of a crooked and perverse generation, among whom ye shine as lights in the world, holding the Word of life." These stars God counteth; all who shall reign with Him, all who are to be gathered into the Body of His only-begotten Son, He hath counted, and still counteth them. Whoso is unworthy, is not even counted. Many too have believed, or rather may, with a kind of shadowy appearance of faith, have attached themselves to His people: yet He knoweth what He counteth, what He winnoweth away. For so great is the height of the Gospel, that it hath come to pass as was said, "I have declared, and have spoken: they are multiplied above number:" there are then among the people certain supernumeraries, so to speak. What do I mean by supernumeraries? More than will be there. Within these walls are more than will be in the kingdom of God, in the heavenly Jerusalem; these are above the number. Let each one of you consider whether he shineth in darkness, whether he refuseth to be led astray by the dark iniquity of the world; if he be not led astray, nor conquered, he will be, as it were, a star, which God already humbereth. "And calling them all by their names,"he saith. Herein is our whole reward. We may have certain names with God, that God know our names, this we ought to wish, for this to act, for this to busy ourselves, as far as we are able; not to rejoice in other things, not even in certain spiritual gifts. ...When the disciples returned from their mission exulting, and saying, "Lord, even the devils are subject unto us in Thy Name" -then He (knowing that many would say, "have we not in Thy Name cast out devils?" to whom He should say, "I know you not") said, "In this rejoice not, that the devils are subject unto you; but rather rejoice, because your names are written in heaven."