Cyril of Jerusalem

Every king is proclaimed by soldiers. It was fitting that Jesus also, in figure, be crowned by soldiers. For this reason Scripture says in the Canticles: "Daughters of Jerusalem, come forth and look upon King Solomon in the crown with which his mother has crowned him." But the crown was also a mystery, for it was a remission of sins and release from the sentence of condemnation.

Catechetical Lecture 13:17 ↗

Ambrose of Milan

Therefore, when the bride reaches the rest of the bridegroom, they sing a wedding song, saying to the daughters of Jerusalem: Go forth and see King Solomon, in the crown with which his mother crowned him on the day of his wedding. They sing the wedding hymn and invite the other powers of heaven, or souls, to see the love that Christ has for the daughters of Jerusalem. …

On Isaac and the Soul, 5.46 ↗

Bede

In the midst of love He established it, etc. With that very love with which He suffered for us: for no one has greater love than this, that someone lay down his life for his friends (John 15). And as the Apostle says, But God commends His love toward us in that, while we were yet sinners, Christ died for the ungodly (Rom. 5), for through this middle part He prepared His Church's stratum place, where faithful souls might rest softly, because He filled it entirely within with the love of heavenly things. …

Commentary on the Song of Songs ↗

Bernard of Clairvaux

There is a place between fear and security, as between the left and the right, namely the middle place of hope, in which the mind and conscience, with the soft bedding of charity laid beneath, rests most sweetly. And perhaps in what follows in this very canticle, this place will have been designated, where in the description of the litter of Solomon among other things you have: "The middle he spread with charity on account of the daughters of Jerusalem" (Song 3:10). …

Sermons on the Song of Songs, Sermon 51 ↗