"On my heart the promise seal'd, / Wrote forgiveness on my heart!"
Psalm CXIX. Blessed are the pure in heart.
First found searching in <u>The Poetical Works of John and Charles Wesley</u>, ed. G. Osborn, 13 vols. (London: The Wesleyan-Methodist Conference Office, 1868). &lt;<a href="http://catalog.hathitrust.org/Record/007432022">Link to Hathi Trust</a>&gt;<br>
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Found in Google (but only snippet view): <u>The Methodist Magazine</u> (1798), p. 311