Letter 124 — On the True Good as Attained by Reason (§5)

“Just suppose that one should desire to distinguish tiny objects by the touch rather than by the eyesight! There is no special faculty more subtle and acute than the eye, that would enable us to distinguish between good and evil. You see, therefore, in what ignorance of truth a man spends his days and how abjectly he has overthrown lofty and divine ideals, if he thinks that the sense of touch can pass judgment upon the nature of the Supreme Good and the Supreme Evil!”