No More Learning

The skeptic Sextus Empiricus5 con rms this two ld aspect ofpercep­ tion, in the context ofhis criticism ofthe Stoics:
Perception (katalepsis) consists, according to them, in giving one's assent to an objective (kataleptike) representation, and this seems to be a two ld matter: there is something           it, as we as something voluntary, which depends upon our judgment.