Abash'd be all the boast of Age. Bishop R. Heber. [Epiphany.] Appeared in his posthumous Hymns, &c, 1827, pp. 27-8, in 5 stanzas of 4 lines as the first of two hymns for the First Sunday after Epiphany. In its original form it is not in common use, but stanzas ii.-v. as—"O Wisdom, whose unfading power"—is given in Kennedy, 1863, No. 229 (with alterations), and the Methodist Sunday School Hymn Book 1879,No.77, also slightly altered.
--John Julian, Dictionary of Hymnology (1907)