Aliya Summary: G‑d commanded Avraham to take Isaac and offer him as a sacrifice on a mountain. Avraham took along Isaac and necessary provisions, and set out for the mountain. They arrived and Avraham built the altar and bound Isaac. As Avraham stretched out his hand to take the slaughtering knife, an angel ordered him to desist. Avraham offered a ram, which was caught in a nearby thicket, in lieu of his son. G‑d promised Avraham great blessings as a reward for passing this difficult test. After these events, Avraham was notified that his sister-in-law had given birth to children. One of these children, Betuel, was the father of Rebecca, Isaac’s future wife.
G-d said: “Take your son, your only, whom you love…” It would have been easier for Avraham to carry out G-d’s command to sacrifice Yitzchak, if he (Avraham) could have somehow suppressed his feelings of love for his son. The “greatness” of this test of Avraham’s faith is that he was willing to sacrifice his son, his only one, his beloved (Chidushei HaRim).