Why should I sorrow more? [Confidence in the Promises.] This hymn in Spurgeon's Our Own Hymn Book, 1866, is W. Williams's hymn "My God, my Life, my All," rewritten for that collection by Mr. Spurgeon. Williams's original appeared in his Gloria in Excelsis, or Hymns of Praise to God and the Lamb, Carmarthen, 1772, No. 67, in 4 stanzas of 8 lines.
--John Julian, Dictionary of Hymnology (1907)