Therefore - Return to the main proposition, Assyria’s ultimate punishment, though employed as God’s “rod” to chastise Judea for a time.
O my people - God’s tenderness towards His elect nation.
after the manner of Egypt - as Egypt and Pharaoh oppressed thee. Implying, too, as Israel was nevertheless delivered from them, so now it would be from the Assyrian Sennacherib. The antithesis in Isa 10:26 requires this interpretation [Maurer].