'Waters' particularly signify the spiritual parts of a person, or the intellectual aspects of faith, and also their opposites.

'The waters above the firmament,' as in Genesis 1:7, signify the knowledges in the internal self, and 'the waters beneath the firmament' signify the knowledges of the external self.

'Waters,' as in Ezekiel 47:9, refer to the New Jerusalem, and they signify spiritual things from a celestial origin.

'Many waters,' as in Revelation 17:1, signify truths of the Word adulterated. 'Waters' or 'rivers' signify spiritual, rational, or scientific things pertaining to truth.

'Waters … that go softly,' as in Isaiah 8:6-7, signify spiritual things, and 'waters … strong and many,' signify falsities.

'Waters,' as in Psalms 104:3, signify divine truths.

'Waters' signify truths in the natural self, and in the opposite sense, falsities.

'The waters were dried up from off the earth,' as in Genesis 8:7, signifies the apparent dissipation of falsities.

(Odkazy: Apocalypse Explained 17; Apocalypse Revealed 50; Genesis 8)

18. Verses4-6. John to the seven churches which are in Asia: Grace to you, and peace, from Him who is, and who was, and who is to come; and from the seven spirits which are in sight of His throne; and from Jesus Christ the faithful witness, the Firstborn of the dead, and the Prince of the kings of the earth. Unto Him that loveth us, and washeth us from our sins in His blood; and hath made us kings and priests unto God and His Father; to Him be the glory and the might unto the ages of the ages. Amen.

4. "John," signifies the Lord in respect to doctrine (n. 19); "to the seven churches," signifies to all who are in truths from good, or in faith from charity (n. 20); "in Asia," signifies those who are in the light of intelligence (n. 21); "Grace to you, and peace," signifies the delight of truth and good (n. 22); "from Him who is, and who was, and who is to come," signifies from Him who is the All in all things of heaven and of the church from eternity to eternity (n. 23); "and from the seven spirits," signifies the Divine in heaven (n. 24); "which are in sight of His throne," signifies presence and providence (n. 25).

5. "And from Jesus Christ," signifies from the Lord in respect to the Divine Human (n. 26); "the faithful witness," signifies from whom is all truth in heaven (n. 27[1-4]); "the Firstborn from the dead," signifies from whom is all good in heaven n. 28; "and the Prince of the kings of the earth," signifies from whom is all truth from good in the church n. 29; "Unto Him that loveth us, and washeth us from our sins in His blood," signifies His love, and regeneration from Him through truths that are from Him n. 30.

6. "And hath made us kings and priests," signifies that from Him we are in His spiritual and celestial kingdom n. 31; "unto God and His Father," signifies by Divine truth and Divine good (n. 32); "to Him be the glory and the might unto the ages of the ages," signifies that these things are from Him alone to eternity (n. 33); "Amen," signifies Divine confirmation (n. 34).