It is he that giveth salvation unto kings: who delivereth David his servant from the hurtful sword.
It is he that giveth salvation unto kings: who delivereth (the same Hebrew as in Psalms 144:7 is translated "rid") David his servant from the hurtful sword - (Psalms 18:50; Psalms 33:16.) The present tense, "delivereth," implies that the deliverance is a continued one, and guarantees the future redemption of David's seed and nation by the Lord, as it ensured the past deliverance of David himself. David calls himself "His (the Lord's) servant," to express the ground of his past and his anticipated deliverances. This phrase links this psalm to Psalms 143:2; Psalms 143:12. On 'the sword,' cf. Psalms 22:20. Against "the hurtful sword" of the great adversary God gives His servants "the sword of the Spirit."