the poem for
me, it's not really about war specifically, but about hope in the time of war, is the dedication poem from Ring of Bone by Lew Welch. Should be read at every peace march. Not positive on the line breaks but off the top of my head, here it is.
What strange pleasure do they get who'd
blow whole worlds up
to end our lives, our
But we have charms against their rage.
must go on saying "Look if nobody tried
to live this way, all the work of the world
would be in vain
and now and then, a son a daughter hears
us, now and then a son a daugters gets