None of us has seven and a half million years to ponder "life, the universe, and everything." What each of us has is but one lifetime to reflect on life, how things have gone so far, and what the future may hold in store. For those as fortunate as I to have reached the age of sixty-five, that reflection may take on an added prominence. On the one hand, with careers behind us we have more hours in the day to devote to it. On the other hand, we are more conscious of our looming mortality and realize that we have fewer days to devote to the task. And so we spend more time thinking, engaging in...
None of us has seven and a half million years to ponder "life, the universe, and everything." What each of us has is but one lifetime to reflect on li...