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Habermas for Humanists

2 perspectives is subject to the limitations of evolution; the ways we perceive and think are products of biological processes that have been due to random mutations that accidentally improved our likelihood of having viable progeny in the very particular environment of hunter-gatherer societies. Why would these ways of perceiving and thinking be wellsuited for discovering any truth not related to basic survival? After all, the mind was not designed by a cosmic philosopher to discover metaphysical truths about humans or the universe at large. Also, claims this relativism, all the knowledge that we can put into thought and communicate to others is caged within our particular language. If it's not within our language, we can't even think it. And more sadly, it's been clearly shown that our language is shot through with implicit sexism, racism, ageism, culture-centrism, selfinterest, and who-knows-what-else that distort our thinking without our even being aware of it. So, says relativism, our thoughts-our reasoning-are not much more than tools for promoting our self-interests and prejudices both conscious and unconscious. This relativism has a distinguished pedigree: the works of Marx, Nietzsche, Freud, Horkheimer and Adorno, Heidegger, Wittgenstein, Foucault, Derrida, Kuhn and Rorty among others have lent it support directly or indirectly. Relativism's most recent configuration is postmodernism. Postmodernism synthesizes findings from history, evolution, sociology, psychoanalysis, systems theory, philosophy and linguistics to show that our worldviews have no firm foundation. All knowledge is "contingent," "contextual," "constructed" and probably temporary-including that darling of Humanists, scientific knowledge.