Prayer is not designed to inform God, but to give man a sight of his misery; to humble man's heart, to excite his desire, to inflame his faith, to animate his hope, to raise his soul from earth to heaven.
Adam ClarkeNow an infinite happiness cannot be purchased by any price less than that which is infinite in value; and infinity of merit can only result from a nature that is infinitely divine or perfect
Adam ClarkeThey who pray not, know nothing of God, and know nothing of the state of their own souls.
Adam Clarke