text:  Nevertheless the rules do not yet comprehend every thing; and emergencies occur when they whom the rules have trained to mastery inspired by their spirit and following out their design transcend them: so creating a new excellence which in its turn becomes a rule--but O ye moderns! beware and dare tremblingly! There are critics of a confined and self-confident wit who impeach these liberties even of the masters most unthinkingly and rashly; for sometimes the skillful tactician is on his way to winning the victory when you think him flying