Origen of Alexandria : To this Abraham answered: "God will Himself provide for Himself a sheep for the burnt offering, son." Abraham's answer, sufficiently careful and cautious, moves me. I know not what he was seeing in the spirit, for he speaks not of the present but of the future: "God will Himself provide for Himself a sheep"; he answered with things future to the son asking about things present. For "the Lord will Himself provide for Himself a sheep" in Christ, because "wisdom itself has built itself a house" and "He Himself humbled Himself even unto death"; and whatever things you read of Christ, you will find done not by necessity but of His own accord. — HOMILIES ON Genesis 8.6