Apocalypse Explained # 241
241. Verse 18. I counsel thee, signifies the means of reformation of those who are in the doctrine of faith alone. This is evident from what now follows, for the reformation of those who are in that doctrine is now treated of; therefore "I counsel thee" implies precepts as to how such must live that they may be reformed and thus saved.
Apocalypse Explained # 225
225. Verse 13. He that hath an ear let him hear what the Spirit saith to the churches, signifies that he who understands should hearken to what Divine truth proceeding from the Lord teaches and says to those who are of His church, as is evident from what was said above n. 108, where there are like words.