"Until now, neither the distinction between “worthy, since durable” and “vain, since transient,” nor the unbridgeable abyss separating the two, has disappeared for a moment from reflections on human happiness. Nonentity, the demeaning and humiliating insignificance of the individual bodily presence in the world by comparison with the unperturbed eternity of the world itself, has haunted philosophers (and non-philosophers, during their brief spells of falling into and staying in a philosophical mood) for more than two millennia. In the Middle Ages it was raised to the rank of the highest purpose and supreme concern of mortals, and deployed to promote spiritual values over the pleasures of the flesh—as well as to explain (and, hopefully argue away) the pain and misery of the brief earthly existence as a necessary and therefore welcome prelude to the endless bliss of the afterlife. It returned with the advent of the modern era in a new garb: that of the futility of individual interests and concerns, shown to be abominably short-lived, fleeting and vagrant when juxtaposed with the interests of “the social whole”—the nation, the state, the cause."