Even things without life, whether flute or harp, when they make a sound, unless they make a distinction in the sounds, how will it be known what is piped or played?
Gauza bera gertatzen da musika-tresnekin ere, txirula edota zitararekin, adibidez: notak argi eta garbi ematen ez badituzte, nola jakin zer jotzen duten?