Others cited his political bias and preconceptions. Modern Western magic has challenged widely-held preconceptions about contemporary religion and spirituality. Richard Krejcir describes it terms of "interviewing a passage" without preconceptions or agendas. We have no preconceptions on frontiers as such. This arguably stemmed from age old British preconceptions about class and race. New research has expanded preconceptions about the cognitive capacities of fish. Shaggy dog stories play upon the audience's preconceptions of joke-telling. "Andorra" deals with the power of preconceptions concerning fellow human beings. It doesn't fit into people's preconceptions about what a woman's voice should sound like. Krishna is presented as a teacher who "drives Arjuna and the reader beyond initial preconceptions". Epictetus teaches that the preconceptions ("prolepsis") of good and evil are common to all.