The Bonehunters (Malazan Book of the Fallen, #6)

by Steven Erikson

Have you not yet observed, Tavore, that in the minds of the people in this empire, truth is without relevance? It has lost its power. It no longer effects change and indeed, the very will of the people – born of fear and ignorance, granted – the very will, as I said, can in turn revise those truths, can transform, if you like, the lies of convenience into faith, and that faith in turn is not open to challenge.’

Well this resonates rather uncomfortably...