Just Once! Oh least Request — God's Reply

A man took the echo of his prayer in a church as God's reply. His "Just once" got a permission of "Just once!" The man was a miser who put too little money in the offertory box.

Just Once! Oh least Request!
Could Adamant refuse
So small a Grace
So scanty put,
Such agonizing terms? ⁵
Would not a God of Flint
Be conscious of a sigh
As down His Heaven dropt remote
"Just Once" Sweet Deity? ⁹

(F.478/J.1076)

[1] Just Once:: a prayer, a request for doing something just once.
[2] Adamant:: a stone wall.
[3, 4] small a Grace, scanty put:: very little money that put into the offertory box.
[4] put:: the act of throwing (money).
[5] agonizing terms:: words like just one, small, scanty.
[6] Flint:: granite, stone wall in a church; an avaricious person, a miser_{(OED 6)}.
[7] His Heaven:: God's heaven, the church.
[8] dropt remote:: echoed faintly.
[9] "Just Once":: the echo of the wall as God's reply.