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.
(Referencias: Apocalypse Explained 16; Apocalypse Revealed 676)
Isaiah 29:24
24
They also who err in spirit will come to understanding, and those who grumble will receive instruction."