Religion is the chief concern. J. Fawcett. [Pure Religion desired.] Published in his Hymns, &c, 1782, No. 68, in 8 stanzas of 4 lines, and entitled "The Nature and Necessity of inward Religion." It is in common use in an abbreviated form, under the original opening line, and also as, "O may my heart, by grace renew'd."
--John Julian, Dictionary of Hymnology (1907)