This one is a double quote, from the same New Yorker, article by Larissa MacFarquhar, about Derek Parfit.
In it, she quotes a different philosopher's (Bernard Williams) favorite poem, "the last stanza of Matthew Arnold's poem "Dover Beach" summed up his view of things".
Ah, Love, let us be true
To one another! for the world, which
To lie before us like a land of dreams,
So various, so beautiful, so new,
Hath really neither joy, nor love, nor
Nor certitude, nor peace, nor help for