Amos 1:3; Amos 1:6

3 This is what the LORD says: "For three sins of Damascus, even for four, I will not turn back [my wrath]. Because she threshed Gilead with sledges having iron teeth,
6 This is what the LORD says: "For three sins of Gaza, even for four, I will not turn back [my wrath]. Because she took captive whole communities and sold them to Edom,