There are lines of poetry so powerful, so soul shaping that one must carry them in one's memory -- or at the very least post them on the corkboard in the kitchen; or tuck them into the little clips holding up the bathroom mirror so everyday the poet can console or confront you while you clean your morning-and-night teeth.These poems are what I have come to think of of as "plainsight poetry," that is, verses which must be kept at easy access. The one I most need now is this: