Roes. This comparison does not seem happy: but exactitude is not required. (Calmet)
Indeed if we were to take all in the literal sense, a very grotesque figure would arise, with a head like Carmel, a nose like a tower, which shows that the tropological or allegorical sense must be adopted. (Du Hamel)
The two Testaments given for our instruction, (chap. i. 2.) or the charity towards God and our neighbour, may be meant. (Theodoret)
In order to [gain knowledge of heavenly things], we study the examples of the saints who have gone before. They are said to feed among the lilies. For what is meant by lilies but the conduct of those who say with all truth, “We are unto God a sweet savor of Christ.” - "Morals on the Book of Job 24.17"
Thy two breasts: Mystically to be understood: the love of God and the love of our neighbour, which are so united as twins which feed among the lilies: that is, the love of God and our neighbour, feeds on the divine mysteries and the holy sacraments, left by Christ to his spouse to feed and nourish her children.