“reminded that in reality this isn’t the case. Nor is this a phenomenon confined to megalomaniacs or pathological narcissists, but something much more fundamental to being human: it’s the understandable tendency to judge everything from the perspective you occupy, so that the few thousand weeks for which you happen to be around inevitably come to feel like the linchpin of history, to which all prior time was always leading up. These self-centered judgments are part of what psychologists call the “egocentricity bias,” and they make good sense from an evolutionary standpoint. If you had a more realistic sense of your own sheer irrelevance, considered on the timescale of the universe, you’d probably be less motivated to struggle to survive, and thereby to propagate your genes.”