Yet it might be that some ancient languages had altered very little and had given rise to few new languages, whilst others had altered much owing to the spreading, isolation and state of civilisation of the several co-descended races, and had thus given rise to many new dialects and languages.
Hala ere, baliteke hizkuntza zahar batzuk oso gutxi aldatu eta hizkuntza berri bat edo beste sortarazi izana, beste batzuk, arraza ondorengokide ezberdinen hedadura, isolamendu eta zibilizazio mailaren arabera, asko aldatzen ziren artean, era horretan dialekto eta hizkuntza berri asko sortaraziz.