Psalms 41:12

Cp. Psalms 26:11; Psalms 63:8. Thou upholdest(lit. hast upheld) is either a reference to past mercies, or more probably a retrospect from the standpoint of deliverance granted. In mine integrityis no contradiction to Psalms 41:4. Integrity (Psalms 7:8; Psalms 15:2) is not synonymous with sinlessness.

and settest me before thy face for ever His enemies hope that his name will perish. He knows that he will be admitted to stand in the presence of the King of Kings. Cp. Psalms 11:7 (note); Psalms 16:11; Psalms 17:15; Psalms 61:7; and the fundamental promise in 2 Samuel 7:16 (read before mewith LXX).

Thus the first book of the Psalter ends with a hope, destined to be illuminated with a new light by the revelation of the Gospel. See Revelation 22:4.