6 He said to me, “These words are faithful and true. The Lord, the God of the spirits of the prophets, sent his angel to show to his servants the things which must happen soon.”
these words are faithful and true – repeating the words of the Archangel from the throne in Rev 21:5.
sent His Angel – as described in Rev 1:1, it is God’s Angel, the Angel of YHVH who guides John throughout this Book.