 He contends that these lines of thought abandon the postulate of objectivity and also contain the anthropocentric illusion.At the end of this chapter Monod states that the thesis he "shall present in this book is that the biosphere does not contain a predictable class of objects or of events but constitutes a particular occurrence, compatible indeed with first principles, but not deducible from those principles and therefore essentially unpredictable" (Monod, 43).In his view, the biosphere is unpredictable for the same reason that the particular configuration of atoms in a pebble are unpredictable.