Arcana Coelestia #3151
3151. 'Until I have spoken my words' means until it had received instruction. This is clear from the meaning of 'speaking words' as giving instruction. And what he was to say, which comes next in the narrative, also has to do with instruction. Divine things flow into those things that exist in the natural man, in the measure that instruction has been received and truth has arisen out of it, see above in 3141 (end).
Revelation 1:1
1
This is the Revelation of Jesus Christ, which God gave him to show to his servants the things which must happen soon, which he sent and made known by his angel to his servant, John,