The distinguishing marks of animals, for example, are taken from their claws and teeth; for, in point of fact, not only does knowledge distinguish thus one animal from another, but each animal itself separates itself off thereby;
Abereen bereizgarritasun-ezaugarriak, adibidez, atzaparretatik eta hortzetatik hartzen dira; izan ere, egitatean ezagutzeak horien bidez abere bat bestetik ezberdindu ez ezik, gainera, aberea bera aldentzen da hartatik;