Look unto Abraham your father, and unto Sarah that bore you: for I called him alone, and blessed him, and increased him.
All Commentaries on Isaiah 51:2 Go To Isaiah 51
George Leo Haydock
AD 1849
Alone, and gave him children when he was grown old, and Sara barren. I can surely save you likewise. (Calmet)
The example of these great progenitors is set before the Jews. Thus St. Paul says: Remember your prelates, Hebrews xiii. (Worthington)