Why does the verse distinguish between 'ten thousands' for Ephraim and 'thousands' for Manasseh?
The final line, 'and they are the ten thousands of Ephraim, and they are the thousands of Manasseh,' is a direct echo of Jacob's prophecy in Genesis 48:19.
Prophetic Fulfillment:
Jacob deliberately blessed the younger son, Ephraim, to become 'a multitude of nations' (ten thousands) while Manasseh, the elder, would become 'a great people' (thousands). Moses reiterates this prophecy here, confirming that God's purposes, not birth order, determine greatness.
Numerical Strength and Influence:
This distinction signifies not only numerical superiority but also greater influence and prominence for Ephraim. While Manasseh would still be a significant tribe, Ephraim would lead in population and impact, often representing the bulk of Israel's strength.