Amos
Amos 2:6ESV·traditional attribution

Thus says the LORD: “For three transgressions of Israel, and for four, I will not revoke the punishment, because they sell the righteous for silver, and the needy for a pair of sandals—

John Calvin Reformed @genevareformer

The Prophet here assails the Israelites, to whom he had been sent, as we have said at the beginning. He now omits every reference to other nations; for his business was with the Israelites to whom he was especially appointed a teacher.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The judgment of Moab, another of the nations that bordered upon Israel. They are reckoned with and shall be punished for three transgressions and for four, as those before. Now, 1. Moab's fourth transgression, as theirs who were before set to the bar, was cruelty.

Commenting on Amos 2:1-8

John Gill Reformed Baptist @doctorgill

Thus saith the Lord, for three transgressions of Israel,.... The ten tribes rent from the house of David in the times of Rehoboam, and who departed from the true worship of God, and set up calves at Dan and Bethel: and for four, I will not turn away the punishment thereof; the following part of this prophecy is taken up in pointing at the sins...