Selection from The Heavenly Doctrines ~ Emanuel Swedenborg
The entire Holy Scripture, and all the doctrines therefrom of the churches in the Christian world, teach that there is a God and that He is one.The entire Holy Scripture teaches that there is a God, because in its inmosts (the Holy Scripture) it is nothing but God, that is, it is nothing but the Divine that goes forth from God; for it was dictated by God; and from God nothing can go forth except what is God and is called Divine. This the Holy Scripture is in its inmosts.
But in its derivatives, which are below and from these inmosts, the Holy Scripture is adapted to the perception of angels and men. The Divine is likewise in these derivatives, but in another form, in which it is called the celestial, spiritual, and natural Divine. These are simply the draperies of God; for God Himself, such as He is in the inmosts of the Word, cannot be seen by any creature. For He said to Moses, when Moses prayed that he might see the glory of Jehovah, that no one can see God and live. This is equally true of the inmosts of the Word, where God is in His very Being and Essence.
Nevertheless, the Divine, which forms the inmost and is draped by things adapted to the perceptions of angels and men, beams forth like light through crystalline forms, although variously in accordance with the state of mind that man has formed for himself; either from God or from himself. Before everyone who has formed the state of his mind from God the Holy Scripture stands like a mirror wherein he sees God; but everyone in his own way. This mirror is made up of those truths that man learns from the Word, and that he appropriates by living in accordance with them. From all this it is evident, in the first place, that the Holy Scripture is the fullness of God.
That the Holy Scripture teaches not only that there is a God, but also that God is one, can be seen from the truths which, as before stated, compose that mirror, in that they form a coherent whole and make it impossible for man to think of God except as one. In consequence of this, every person whose reason is imbued with any sanctity from the Word knows, as if from himself, that God is one, and feels it to be a sort of insanity to say that there are more. The angels are unable to open their lips to utter the word "gods," for the heavenly aura in which they live resists it. That God is one the Holy Scripture teaches, not only thus universally, as has been said, but also in many particular passages, as in the following:
Hear, O Israel, Jehovah our God is one Jehovah (Deut. 6:4; also Mark 12:29).
Surely God is in thee, and beside Me there is no god (Isa. 45:14)
Am not I Jehovah? and there is no god besides me? (Isa. 45:21).
I am Jehovah thy God and thou shalt acknowledge no god beside Me (Hosea 13:4).
Thus saith Jehovah, the king of Israel, I am the First and the Last, and beside Me there is no god (Isa. 44:6).
In that day Jehovah shall be king over all the earth; in that day Jehovah shall be one and His name one (Zech. 14:9).
(True Christian Religion 6)
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And behold the glory of Jehovah was seen in the cloudThat this signifies the presence of the Lord in truth accommodated to the perception, is evident from the signification of "the glory of Jehovah," as being the presence and the advent of the Lord; and from the signification of "the cloud," as being the literal sense of the Word, thus truth accommodated to the perception, for the Word in the letter is such truth. But "the glory which is in the cloud" denotes Divine truth which is not so accommodated to the perception, because it is above the fallacies and appearances of the senses, thus it also denotes the internal sense of the Word.
That "glory" denotes the internal sense of the Word, is because in this sense the Lord's church and kingdom are treated of, and in the supreme sense the Lord Himself, in which sense also is the veriest Divine truth.
Truth Divine is not of one degree, but of many.
Truth Divine in the first degree, and also in the second, is that which proceeds immediately from the Lord; this is above the angelic understanding. But truth Divine in the third degree is such as is in the inmost or third heaven; this is such that it cannot in the least be apprehended by man. Truth Divine in the fourth degree is such as is in the middle or second heaven; neither is this intelligible to man. But truth Divine in the fifth degree is such as is in the ultimate or first heaven; this can be perceived in some small measure by man provided he is enlightened; but still it is such that a great part of it cannot be expressed by human words; and when it falls into the ideas, it produces the faculty of perceiving and also of believing that the case is so.
But truth Divine in the sixth degree is such as is with man, accommodated to his perception; thus it is the sense of the letter of the Word. This sense, or this truth, is represented by the cloud, and the interior truths are represented by the glory in the cloud. This is the reason why Jehovah (that is, the Lord) so often appeared to Moses and to the sons of Israel in a cloud (see Exod. 24:15, 16; 40:34, 35; 1 Kings 8:10, 11; Matt. 24:30; and other places). The appearing of the Lord is by means of Divine truth, and moreover is Divine truth. That a "cloud" denotes truth accommodated to the perception, is from the representatives in the other life, where angelic speech of the higher heavens appears to those who are beneath as light, and also as the brightness from light; whereas the speech of the angels of a lower heaven appears as a bright cloud, in form various, and in density or rarity according to the quality of the truths.
From all this it can be seen that by "the glory of Jehovah seen in the cloud" is signified the presence of the Lord in truth accommodated to the perception.
(Arcana Coelestia 8443)