"The first time I took my daughters to the ocean - and I love the ocean but where we swim is very rough, very New England, rip tide, not messing around ocean - and a thought arrived: I was asking my daughters to slowly recognize death, just dip their toes in its fathomless edge, to know it is there, even in the night when we don't see it and that it, in its mystery and largeness, in its terror, is the thing that makes life precious, magnificent and full of never-ending curiosity."