Pour out
'Pouring out the vials upon the earth, which contained the plagues,' in Revelation 16:1, signifies influx of the reformed into the church, or into people who study and receive the doctrine of justification by faith alone.
(Odkazy: Apocalypse Explained 16; Apocalypse Revealed 676)
Voice as of many waters
'The voice as of many waters,' and 'a voice of great thunder,' as in Revelation 14:2, signifies the Lord speaking through the universal heaven from the divine truths of His divine wisdom, and from the divine good of His divine love.
(Odkazy: Apocalypse Explained 14 [2]; Apocalypse Revealed 615)