Isaiah
Isaiah 8:11BSB·traditional attribution

For this is what the LORD has spoken to me with a strong hand, instructing me not to walk in the way of this people:

John Calvin Reformed @genevareformer

11. For thus Jehovah spake to me. Here the Prophet contends against another kind of temptations, that is, against the unbelief of the people; and in order to make that more manifest, it ought to be observed that there were two remarkable temptations, the one external, and the other internal.

Matthew Henry Presbyterian @wholebiblehenry

The prophet here returns to speak of the present distress that Ahaz and his court and kingdom were in upon account of the threatening confederacy of the ten tribes and the Syrians against them. And in these verses, I. He triumphs over the invading enemies, and, in effect, sets them at defiance, and bids them do their worst (Isa 8:9, Isa 8:10): "O you people...

Commenting on Isaiah 8:9-15

John Gill Reformed Baptist @doctorgill

For the Lord spake thus to me with a strong hand,.... In the strength of prophecy, as the Targum explains it; and so all the Jews' interpreters understand it of prophecy, as in Eze 1:3, or, "the Lord spake thus to me, when he took (me) by the hand" (t); as parents or masters take hold of the hands of children, while they are advising...