for the senses in which we should call a boy and a man and a eunuch 'incapable of begetting' are distinct.-Again, to either kind of capacity there is an opposite incapacity-both to that which only can produce movement and to that which can produce it well.
"Inpotentzia" potentzia-eza da, hots, aipatu dugun honelako printzipio-eza, edo guztiz, edo berez izaten duenarentzat, edo jadanik berez izan beharko lukeenarentzat.