Las conclusiones ya en la premisa en el párrafo septingentésimo sexagésimo octavo de El Origen de las Especies

Estos intolerables razonamientos, cuyas conclusiones están incluidas ya en las premisas,  se repiten continuamente a lo largo del libro:   768.   As all the organic beings, extinct and recent, which have ever lived, can be arranged within a few great classes; and as all within each class have, according to our theory, been connected together by fine gradations, the best, and, if our collections were nearly perfect, the only possible arrangement, would be genealogical; descent being the hidden bond…