2 Samuel 22:29

For thou, &c. Forconnects this verse closely with 2 Samuel 22:29, as the confirmation out of his own experience of the principles there enunciated.

my lamp Illuminating all his life with the light of prosperity, as the lamp illuminates the house. Dominus illuminatio meawas David's motto. Cp. Psalms 27:1; Psalms 132:17. With the different application of the figure in Psalms 18:28, "Thou wilt light my lamp," cp. 1 Kings 11:36; 1 Kings 15:4.