On voice, whether voice is incorporeal, ⟨whence the soul has the power of perception, and⟩ what its ruling part is.2050
1.1 · Breath and a transmitted blow
I.57.1.1 · Wachsmuth pp. 497
⟨Aëtius.⟩
Plato defines voice as breath passing through the mouth from thought, and as a blow delivered by air and transmitted through the ears, brain, and blood as far as the soul.2051
1.2 · Voice in the strict and extended senses
I.57.1.2 · Wachsmuth pp. 497
The word voice is also used in an extended sense of nonrational animals and of inanimate things, as with neighing and noises. Strictly speaking, however, voice is articulate, for it illuminates what is thought.2052