Yesterday, Rivka Weinberg spoke at UCR from her forthcoming book, The Meaning of It All, on how time erodes meaning. As is often noted, in a thousand years it will (probably) be as though you had never lived. Everything you strived for will have crumbled to dust. Weinberg doesn't argue that this renders our efforts entirely meaningless -- but it does deprive them of a meaning they would have had, if they had endured. We ought to admit, she says, that this is disheartening, rather than bru...