by which I know that that quality or accident (i.e. whose appearance before my eyes always causes that idea) doth really exist, and hath a being without me.
eta horren bidez heltzen naiz jakitera koalitate edo akzidente hori (nire begien aurrean agertuz gero ideia hori eragiten duena) egiazki existitzen dela eta niregandik kanpoko existentzia daukala.