Abraham’s response, sufficiently accurate and cautious, moves me. I do not know what he saw in his spirit, for he does not speak about the present but about the future: “God himself will provide himself a sheep.” He responded to his son’s inquiry about present things with future things. For “the Lord himself will provide himself a sheep” in Christ, because also, “Wisdom herself has built herself a house,” and “He himself humbled himself unto death.”
[AD 253] Origen of Alexandria on Genesis 22:8