servant, saying, I will build thee an house: therefore hath thy servant found in his heart to pray this prayer unto thee” (cf. Luke 1:38). Having the promise of God in hand not only emboldened David’s hope and strengthened his faith, but it also fed and informed his prayer. Truly, we do not have a prayer without the promises of God. Andrew Gray, in the first of five sermons on God’s promises, defines a promise as “a glorious discovery of the good-will of God towards sinners, and withal, a purpose