In another sense it may be said that, as we know what matter is no more than we know what spirit is, and as matter is for us merely an idea, materialism is idealism.
Beste adiera batez, materiari buruz, zerik den, izpirituari buruz baino gehiago ez dakigunez gero, eta guretzat materia delako hori guretzat ideia bat besterik ez delarik, esan daiteke materialismoa idealismoa dela.