O Everlasting Light. H. Bonar. [Christ in All]. Published in the 2nd Series of his Hymns of Faith and Hope, 1861, in 10 stanzas of 4 lines, and headed, "Christ in All." It deals with Christ as the Everlasting "Light," "Rock," "Fount," "Health," "Truth," "Strength," "Love," and "Rest" of His people. It is in extensive use, and sometimes as "Jesus, my Everlasting Light."
--John Julian, Dictionary of Hymnology (1907)