Under the impact of strong visions of divine destructions of the Hebrews Amos travelled to the more powerful kingdom of Israel were he castigated corruption and social injustice.

Amos believed that God's absolute sovereignity over man compelled social justice for everybody, rich and poor alike. He preached that not even God's chosen people were exempt from judgement; hence, Amos also believed in a moral order transcending nationalistic interest.