The poem
(from the Welsh)
May they stumble, stage by stage On an endless Pilgrimage Dawn and dusk, mile after mile At each and every step a stile At each and every step withal May they catch their feet and fall At each and every fall they take May a bone within them break And may the bone that breaks within Not be, for variations sake Now rib, now thigh, now arm, now shin but always, without fail, the NECK