Micah's first speech is made to the capital cities of Judah and Israel. The capital of Judah was Jerusalem, but what was the capital of Israel? (Micah 1:6-7)
Micah tells the people that to atone for their sins making sacrifices is not enough. Even if they gave calves, rams and rivers of oil it would not suffice. Not even the sacrifice of what would help them? (Micah 6:6-8)
The Book of Micah ends with a description of the future when the enemies of the Israelites will be astounded by what God does. Micah says that, because of their fear of God, they shall move out of holes like what animals? (Micah 7:16-17)