O it is hard to work for God. F. W. Faber. [Trial of Faith.] Appeared in his Jesus and Mary, &c., 1849, in 19 stanzas of 4 lines, and headed, "The Right must Win;" also repeated in his Hymns, 1862. The following centos fom this hymn are in common use:-- (1) "O it is hard to work for God:" (2) "God's glory is a wondrous thing:" (3) "O blest is he to whom is given:" and (4) "Workman of God, O lose not heart."
--John Julian, Dictionary of Hymnology