This I recall to my mind, etc.; viz. that thou wilt remember me, or, thy faithfulness (Lamentations 3:20). Here again there appears to be a reminiscence of a passage in Psalms 42:1-11. (Psalms 42:4).
Others suppose that "this" refers to the following verses; but in this case a new section would begin in the middle of a triad (the triad of verses beginning with zayin), which is certainly improbable.