12. he . . . sent forth the dove: which returned not . . . any more--In these results, we perceive a wisdom and prudence far superior to the inspiration of instinct--we discern the agency of God guiding all the movements of this bird for the instruction of Noah, and reviving the hopes of his household.
      other seven days--a strong presumptive proof that Noah observed the Sabbath during his residence in the ark.

JFB.