hold fast. Greek. tereo. Same as "keep" in Revelation 1:3.
repent. See Revelation 2:5.
on thee. The texts omit.
as, &c. See Revelation 16:15. 1Th 5:2. 2 Peter 3:10.
know. App-132. These words are not addressed to the members of the "church which is His body" (Ephesians 1:22; Ephesians 1:23). See 2 Thessalonians 2:1; 1 Timothy 3:16. We do not "watch" for the "thief", but "wait" for the Lord.