303. Who is worthy to open the book, and to loose the seals thereof? That this signifies whether any one there is of such a quality as to know and perceive the states of the life of all, is evident from the signification of, Who is worthy? as denoting, who has merit and justice, and who has omniscience, thus whether there are any of such a quality. That by worthy, when said of the Lord, merit and justice are signified; these belong to Him alone, as may be seen above (n. 293). And that omniscience is signified is evident from what follows, where it is said, that the Lamb took the book out of the right hand of Him that sat upon the throne, and opened it; for by the right hand is signified omniscience and omnipotence, as may be seen above (n. 297); from the signification of the book, as denoting the state of the life of all in general and in particular (concerning which see just above, n. 299); and from the signification of opening it and loosing the seals thereof, as denoting to know and perceive. For when a book signifies the states of the life of all, then to open and to loose the seals signifies to know and perceive the same; for to know and perceive are said of the state of the life, but to open and loose the seals are said of a book. Thus the words, in the internal sense, are accommodated to the things signified by the words in the sense of the letter, for they correspond; therefore, to open signifies to know, and to loose the seals signifies to perceive what is entirely hidden from others (as above, n. 300).
Arcana Coelestia #8327
8327. 'On the mountain of Your inheritance' means the heaven where the good of charity resides. This is clear from the meaning of 'mountain of inheritance' as heaven. For 'mountain' means the good of love, 795, 796, 2722, 4210, 6435, and 'inheritance' means another's life, in this instance the Lord's; thus the life of goodness and truth which is derived from the Lord is meant, since those who possess this life are heirs of the kingdom and are called sons, 2658, 2851, 3672, 7212. Since these things are meant by 'the mountain of inheritance', heaven is also meant; for heaven is heaven by virtue of the good of love and it is the inheritance belonging to those who are the Lord's.