And when those beasts give glory ... - As often as those living beings ascribe glory to God. They did this continually Revelation 4:8; and, if the above explanation be correct, then the idea is that the ways and acts of God in his providential government are continually of such a nature as to honor him.
Related Commentaries of Revelation 4:9
Revelation 4:9
9 And when those beasts give glory and honour and thanks to him that sat on the throne, who liveth for ever and ever,