Though the great Waters sleep — Exodus

Though the great Waters sleep, 1
That they are still the Deep,
We cannot doubt-
No vacillating God
Ignited this Abode
To put it out-
(F.1641/J.1599)
[1] great Waters:: the Red Sea.
[3, 4] cannot, No:: a double reverse to make this statement positive. "We doubt there was a vacillating God."
[4] vacillating God:: God made the Hebrews travelled for forty years.
[5] Abode:: the abode of "the children of Israel" in Egypt.
[6] it:: the abode. put out:: to send out to a journey.