Glory is that bright tragic thing — Glory to God

Glory is that bright tragic thing 1
That for an instant
Means Dominion-
Warms some poor name
That never felt the Sun, 5
Gently replacing
In oblivion-
(F.1700/J.1660)
[1] Glory:: all the glory to God.
[2] an instant:: the moment someone exclaims it.
[3] Dominion:: the power of governing and controlling, by someone who attributes this glory.
[5] Sun:: glory.
[4, 5] some poor name:: the one who gives glory to God never felt glory.
[6, 7] replacing, oblivion:: one's glory was slowly replacing by God and became unknown.