And why was the ear singled out for boring from all the other organs? R. Yochanan was wont to interpret it symbolically, viz.: The ear which heard (on Mount Sinai): "Thou shalt not steal" — and he went and stole (for which reason beth-din sold him) — let it be bored!
Why Was the Ear Singled Out for Boring from All
Mekhilta Tractate Nezikin 2:21