Teil 11 · Kapitel 64

Thus, in that phase of the record of the Yesod of Arich, there is the phase of the shofar, and from there ZA emerged in the secret of voice, included in three: water, fire, and wind, in the secret of ‘the voice that comes forth from within the shofar.’ And there it was included, in the three aforementioned, in this throat, which was in a vacant and empty place, and there is nothing there but the phase of air alone; therefore it was called voice.