Thus to find not only frequent additions to the previous existing forms, but frequent withdrawals of forms which had apparently become inappropriate — a constant shifting as well as advance — is a fact calculated very forcibly to arrest attention.
Así, encontrar non só frecuentes adicións a formas previamente existentes, senón frecuentes retrocesos de formas que aparentemente se volveran inapropiadas (un constante cambio e avance), é un feito calculado moi convincentemente como para cativar a atención.