Is anything too hard for the Lord?.... Whose power is infinite; or "too wonderful" x, so wonderful and beyond all belief, that it can never be thought it will be done by him; and why then should it be thought incredible or impossible that Sarah should have a child, though she is old? Or, is "anything hidden from the Lord" y? Nothing can be, not Sarah's laughter.
At the time appointed will I return to thee, according to the time of life, and Sarah shall have a son; which words are repeated not merely for the confirmation of Abraham's faith, which staggered not, but to remove Sarah's unbelief, and to encourage her faith in the divine promise.
x היפלא "nunquid mirabile vel mirificabitur", Munster, Piscator, Schmidt. y "Nunquid abscondetur", Pagninus, Cartwright; "an potest occultari", Junius Tremellius, Fagius so the Targum of Jonathan and Aben Ezra.