Trust and Obey, and Other Songs John Hanna Sammis ⬩ 1918 A 1918 collection of hymns and devotional verses by John H. Sammis, featuring 'Trust and Obey' and a paraphrase of Psalm 23. Emphases: trust, grace, and personal piety. Archive ⬩ Devotional (General), Hymnody and Psalmody Download Print