Almost every part of every organic being is so beautifully related to its complex conditions of life that it seems as improbable that any part should have been suddenly produced perfect, as that a complex machine should have been invented by man in a perfect state.
Zeinnahi izaki organikoren ia atal guztiak bere bizi-baldintza konplexuekin hain ederki erlazionaturik daudenez gero, atal bat bat-batean hobezin sortua izateak, gizakumeak makina konplexu bat hobezin asmatzeak bezain gertagaitz dirudi.