His mouth is most sweet: yea, he is altogether lovely. This is my beloved, and this is my friend, O daughters of Jerusalem.
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Ambrose of Milan
AD 397
Such is the concern of the soul that is pure, such is what it perceives within; it discerns God and abounds in all good things. On this account, “his mouth is sweetness, and he is all delight.” For God is the author of all good things and all things which are, are his. - "Isaac, or the Soul 7.61"
A person of God should so appear and conduct himself that there would be no one who would not desire to see him, no one who would not wish to hear him, no one who, having seen him, would not believe that he was a son of God. In his case the prophetic words would be fulfilled: “His throat is most sweet, and he is all lovely.” - "On the Christian Life 9"
Lovely. Hebrew and Septuagint, "desires. "(Menochius)
The beauty of Christ is chiefly interior; and all must aim at this perfection, who would be his spouses, Psalm xliv. 3. (Calmet)