Isaiah 51:2 (WEB)
Look to Abraham your father, and to Sarah who bore you; for when he was but one I called him, I blessed him, and made him many.
Fathers and councils · 2
Cyril of Jerusalem
“For when in Esaias God is addressed thus, For Thou art our Father, though Abraham be ignorant of us, and Sarah travailed not with us, need we inquire further on this point?” — editor's note: Ib. li. 2.
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John Chrysostom
“This accordingly the prophet also was intimating, when he said, “Look unto the hard rock, whence ye are hewn, and to the hole of the pit, whence ye are digged: look unto Abraham your father, and unto Sarah that bare you.”” — editor's note: Is. li. 1, 2.
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