Joseph Benson's Commentary of the Old and New Testaments - Psalms 108:1-13
A.M. 2962. B.C. 1042. This Psalm is, almost word for word, taken out of two of the foregoing Psalms; the first five verses out of the fifty-seventh, from Psalms 108:7-11 , and the rest out of Psalm sixtieth, from 5-12. The reader, therefore, is referred to the exposition already given of those Psalms. David thanks God for personal mercies, Psalms 108:1-5 . Prays for national mercies, Psalms 108:6-13 . read more
Albert Barnes' Notes on the Whole Bible - Psalms 108:13
Through God we shall do ... - This also is taken from Psalms 60:12, without change.Thus the psalm, though made up of parts of two separate psalms, is complete and continuous in itself. There is no break or discrepancy in the current of thought, but the unity is as perfect as though it had been an original composition. It is to be remarked, also, that though in the original psalms the parts which are used here have a different connection, and are separately complete there, yet as employed here,... read more