2. Of every clean beast. He again repeats what he had before said concerning animals, and not without occasion. For there was no little difficulty in collecting from woods, mountains, and caves, so great a multitude of wild beasts, many species of which were perhaps altogether unknown; and there was, in most of them, the same ferocity which we now perceive. Wherefore, God encourages the holy man, lest being alarmed with that difficulty, and having cast aside all hope of success, he should fail. Here, however, at first sight, appears some kind of contradiction, because whereas he before had spoken of pairs of animals, he now speaks of sevens. But the solution is at hand; because, previously, Moses does not state the number, but only says that females were added as companions to the males; as if he had said, Noah himself was commanded not to gather the animals promiscuously together, but to select pairs out of them for the propagation of offspring. Now, however, the discourse is concerning the actual number. Moreover, the expression, by sevens, is to be understood not of seven pairs of each kind, but of three pairs, to which one animal is added for the sake of sacrifice. (276) Besides, the Lord would have a threefold greater number of clean animals than of others preserved, because there would be a greater necessity of them for the use of man. In which appointment, we must consider the paternal goodness of God towards us, by which he is inclined to have regard to us in all things.
(276) Le Clerc objects to this interpretation, and supposes that seven of each sex, of unclean animals, were admitted into the ark. Perhaps a skeptical objection to the use of the seventh animal, as a sacrifice, inclined him to adopt this interpretation. Commentators, however, have generally preferred the solution here given. — Ed.