Passage
who did testify the word of God, and the testimony of Jesus Christ, as many things also as he did see.
Revelation 1:2 (YLT)
Nearby Context
Revelation 1:1 A revelation of Jesus Christ, that God gave to him, to shew to his servants what things it behoveth to come to pass quickly; and he did signify <FI>it<Fi> , having sent through his messenger to his servant John,
Revelation 1:2 who did testify the word of God, and the testimony of Jesus Christ, as many things also as he did see.
Revelation 1:3 Happy is he who is reading, and those hearing, the words of the prophecy, and keeping the things written in it--for the time is nigh!
Revelation 1:4 John to the seven assemblies that <FI>are<Fi> in Asia: Grace to you, and peace, from Him who is, and who was, and who is coming, and from the Seven Spirits that are before His throne,
Study Lenses
The verse centers on "testify", "word", "testimony", "jesus", "christ", and "things". It is saying that the verse draws attention to "testify" and "word", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 1's "A revelation of Jesus Christ that God..." into verse 3's "Happy is he who is reading and...", so "testify" and "word" belong inside that flow. In Revelation context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "testify" and "word" with trust shaped by these words, not by a vague optimism outside the passage.