2533. These [spirits] now irritate my left eye, and manifestly infuse therein a certain, more acute pain. Wherefrom may he concluded that these who are now present are among those who rule the vulgar thoughts. When others [act] who [rule] cupidities, and move the right eye, the pain of the eye is interior [and] acute. Thus it is also concluded that they are intermediate, like as sight is intermediate between hearing and thought