XXV. Convention is the dwarfish demon styled That foiled the knights in Marialva's dome: Of brains (if brains they had) he them beguiled, And turned a nation's shallow joy to gloom. Here Folly dashed to earth the victor's plume, And Policy regained what Arms had lost: For chiefs like ours in vain may laurels bloom! Woe to the conquering, not the conquered host, Since baffled Triumph droops on Lusitania's coast.