Sagan used the Voyager photograph as a corrective to humanity's persistent tendency toward self-importance. Throughout history, humans have placed themselves at the center of creation — Earth at the center of the solar system, our solar system at the center of the galaxy, our species as the purpose of existence itself. Science had steadily dismantled each of these conceits, and the Pale Blue Dot image was the ultimate rebuke. The word 'posturings' was carefully chosen — it suggested not just error but performance, the idea that human self-importance is a kind of theater we stage for ourselves. Against the vast indifference of the cosmos, all our claims to significance looked exactly like what they were: pretension. Yet Sagan's intent was not nihilistic. By stripping away false claims to cosmic importance, he was clearing the ground for a truer, more meaningful form of significance: our responsibility to each other and to the fragile planet that is, as far as we know, the only home life has ever had.