30:14-24 The desire, good in itself, but often too great and irregular, of being the mother of the promised Seed, with the honour of having many children, and the reproach of being barren, were causes of this unbecoming contest between the sisters. The truth appears to be, that they were influenced by the promises of God to Abraham; whose posterity were promised the richest blessings, and from whom the Messiah was to descend.

20. And Leah said, God hath endued me with a good dowry—The birth of a son is hailed with demonstrations of joy, and the possession of several sons confers upon the mother an honor and respectability proportioned to their number. The husband attaches a similar importance to the possession, and it forms a bond of union which renders it impossible for him ever to forsake or to be cold to a wife who has borne him sons. This explains the happy anticipations Leah founded on the possession of her six sons.