To carry the art, however, to its highest pitch, it is necessary that the reasoner should be able to utilise all the facts which have come to his knowledge; and this in itself implies, as you will readily see, a possession of all knowledge, which, even in these days of free education and encyclopaedias, is a somewhat rare accomplishment.
Sin embargo, para llevar este arte a sus niveles más altos, es necesario que el razonador sepa utilizar todos los datos que han llegado a su conocimiento, y esto implica, como fácilmente comprenderá usted, poseer un conocimiento total, cosa muy poco corriente, aun en estos tiempos de libertad educativa y enciclopedias.