"Go to Bethel, and sin; To Gilgal, and sin more. Bring your sacrifices every morning, Your tithes every three days,
The ancients regarded "seven" as a round, perfect number, and the appearance of this number of disasters in this list proves that this denunciation is not "a fragment," or that any of it is missing; it is all here.  It is the cumulative weight of these calamities which was supposed to have its effect upon Israel.  Time after time, God had sent punishments upon them, but in every instance, he had received only obstinate and stubborn rebellion from his people.  This situation clearly called for redress, and Amos here proclaimed God's intention to destroy the Northern Kingdom, showing by these repeated opportunities Israel had had for repentance, that despite the ultimate severity of God's judgment, his final destruction was nevertheless one that bore testimony to his longsuffering, as well as to his justice and holiness.