Christopher Hitchens

The advice I've been giving to people all my life - that you may not be interested in the dialectic but the dialectic is interested in you; you can't give up politics, it won't give you up - was the advice I should have been taking myself.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.