I called him alone. — Literally, as one. If so great a nation had sprung from one man (Hebrews 11:12), so would God out of the faithful remnant once more create a people. (Comp. Ezekiel 33:24, where the exiles arc represented as boastfully inverting the argument: “Abraham was one, and we are many; therefore we shall prosper, the chances are in our favour.”)
Related Commentaries of Isaiah 51:2
Isaiah 51:2
2 Look unto Abraham your father, and unto Sarah that bare you: for I called him alone, and blessed him, and increased him.