Sometimes, Buzzkillers, the stars just seem to align. A whole bunch of writers, pundits, journalists, and aphorists can come up with roughly the same idea at roughly the same time. In terms of the history of quotations, that's the story of the aphorism and witticism, "life is just one damn thing after another." But it's easier to attribute such a quotation to Mark Twain, and that's what people have done. Did he ever say it? Listen and learn.