Hosea
Hosea 7:9ESV·traditional attribution

Strangers devour his strength, and he knows it not; gray hairs are sprinkled upon him, and he knows it not.

John Calvin Reformed @genevareformer

The Prophet follows the same subject, that is, that Israel had not repented, though the Lord had in various ways invited them to repentance; yea, and constrained them by his scourges. It is indeed a proof of desperate and incurable wickedness, when God prevails nothing with us either by his word or by his stripes.

Matthew Henry Presbyterian @wholebiblehenry

Having seen how vicious and corrupt the court was, we now come to enquire how it is with the country, and we find that to be no better; and no marvel if the distemper that has so seized the head affect the whole body, so that there is no soundness in it; the iniquity of Ephraim is discovered, as well as the sin of Samaria...

Commenting on Hosea 7:8-16

John Gill Reformed Baptist @doctorgill

Strangers have devoured his strength,.... Or his substance, as the Targum; his wealth and riches, fortresses and strong holds: these strangers were either the Syrians, who, in the times of Jehoahaz, destroyed Ephraim or the Israelites, and so weakened them, as to make them like the dust by threshing, Kg2 12:7; or the Assyrians, first under Pul king of Assyria, who came out against Menahem...