“The task of prophetic ministry is to nurture, nourish, and evoke a consciousness and perception alternative to the consciousness and perception of the dominant culture…That genuine alternative, entrusted to us who bear that calling, is rooted not in social theory or righteous indignation or in altruism but in the genuine alternative that YHWH is. YHWH makes possible and requires an alternative theology and an alternative sociology. Prophecy begins in discerning how genuinely alternative he is.”
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Walter Breuggemann, The Prophetic Imagination
Seriously, you need to read this book.