And cried with a loud voice; and they cry, etc. The present tense expresses the unceasing nature of their occupation (Alford). Saying, Salvation to our God; that is, "The praise and honour due for our salvation belongs to God, since he is the Cause of our salvation."
Note the similarity to the "Hosanna" of the palm-bearing multitude of the Feast of Tabernacles (see John 12:13; 2 Macc. 10:6, 7; Psalms 118:25). Which sitteth upon the throne, and unto the Lamb. To the Triune God, and to the Lamb (see on Revelation 4:2; cf.