God: "I looked for someone to take a stand for me, and stand in the gap" (Ezekiel 22:30)
He is the King of kings, the radiance of His glory, the Lord of the spaceless, fabulous, infinite universe, omniscient, omnipotent, omnipresent, unspeakable holy, dwelling in light, unapproachable, changeless ... and yet He condescended to be enclosed in lowly human flesh, to be born a despised Judean, in a filthy stable, in the womb of a simple Israeli woman and without fanfare or pomp.
Praying makes the preacher a heart preacher. Prayer puts the preacher's heart into the preacher's sermon; prayer puts the preacher's sermon into the preacher's heart.