Reference for Genesis 22:25

Recognize his presence when we mention his righteousness before You; You commanded him, “Take your beloved son, and let his blood be wrung out at the side [of the Altar].”

Like many other scholars of the time, Rav Huna regretted that the Jews were no longer able to offer sacrifices and whenever he would come to the passage “and Abraham called the name of the place God will see as is said today on the hill of God shall be seen” (Genesis, 22:14) in the course of his reading in the Bible, he would shed many tears and say “Oh how sad that a slave whose master wishes to see him should be forced to remain apart from his master!” It was the same way when he would reach the verse “and thou shalt offer up peace-offerings and thou shalt eat there” (Deuteronomy, 27:7) he would weep and say: “O that a slave whose master wishes to eat at his table should be forced to remain apart from his master!”²³⁾חגיגה ד׳ ב׳.