Hosea
Hosea 13:12ESV·traditional attribution

The iniquity of Ephraim is bound up; his sin is kept in store.

John Calvin Reformed @genevareformer

He says, first, that sealed is the iniquity of Ephraim, and that hidden is his sin; by which words he means, that hypocrites in vain flatter themselves while God suspends his vengeance; for though he may connive for a time, yet he does not sleep; nor ought it to be believed that he is blind, but he seals up the sins of men, and keeps...

Matthew Henry Presbyterian @wholebiblehenry

The first of these verses is the summary, or contents, of all the rest (Hos 13:9), where we have, 1. All the blame of Israel's ruin laid upon themselves: O Israel! thy perdition is thence; it is of and from thyself; or, "It has destroyed thee, O Israel! that is, all that sin and folly of thine which thou art before charged with.

Commenting on Hosea 13:9-16

John Gill Reformed Baptist @doctorgill

The iniquity of Ephraim is bound up; his sin is hid. Which Kimchi restrains to the sin of the calves, and worshipping them; and others to the request of a king, the context speaks of: but it seems best to understand it in a more general sense of these, with all other sins, which were bound up, and not loosed, or were not remitted and...