18. I come now to consider the SOURCE OF THIS PREVAILING NOTION, and that seems to me to be LANGUAGE. And surely nothing of less extent than reason itself could have been the source of an opinion so universally received.
18. Orain, nagusi izan dugun ideia honen iturburua aztertzera noa, nire ustez lengoaia dena. Eta, izan ere, hain unibertsalki onarturiko ideia honen sorburua ezin izan zitekeen arrazoimena bera baino hedadura txikiagoko ezer.