30. Amos. The sovereign Lord will not tolerate a proud and complacent people, but will judge all human evil with perfect justice so that his kingdom may come. (The purpose of the book of Amos was to announce God’s holy judgment on the Kingdom of Israel (the Northern Kingdom), call them to repentance, and to turn from their self-righteous sins and idolatry. God raised up the prophet Amos, as an act of His great mercy to a people who repeatedly shunned and disobeyed Him.