psalm 108 is the 108th psalm in the book of psalms. the first verse attributes it to king david, the author of many psalms. it is a hymn, beginning in english "o god, my heart is fixed; i will sing and give praise, even with my glory" in the king james version (kjv). in the greek septuagint version of the bible, and in the latin vulgate, this psalm is psalm 107 in a slightly different numbering system. in latin, it is known as "paratum cor meum deus".