The boring of a slave's ear with it was the token of his volunteering perpetual service, when he might be free at the year of release (; ). So Messiah, volunteering to become God's servant by taking man's nature; "Mine ears hast Thou opened" (); , "the Lord God hath opened Mine ear," i.e., hath made Me obediently attentive as a servant to his master. -10 quotes it as Septuagint renders it: "a body hast Thou prepared Me," the strongest proof of willing obedience. The ear symbolizes obedience.