&gt;I&#x27;m not sure what it is, but humans seem to be highly suceptable to simple explanations for the world.<p>Most things really are simple; If you see smoke, the simplest explanation happens to be correct:  there&#x27;s fire.<p>The bias towards simplicity can also be seen as a bias towards parsimony, which is almost always a good thing.  We don&#x27;t immediately recognize this truth because we don&#x27;t conjure up trivial examples, even though the overwhelming majority of our reasoning is spent on trivial phenomena.