Turning to the disciples in private he said, "Blessed are the eyes that see what you see. For I say to you, many prophets and kings desired to see what you see, but did not see it, and to hear what you hear, but did not hear it." (Lk 10:17-24)
https://bible.usccb.org/bible/readings/100723.cfm
The Return of the 72 is an occasion of joy for Jesus as he listens to their experiences and reminds them of the blessings they have received. Today we remember Our Lady of the Rosary. The Rosary has taken many forms and reflects many styles of prayer and devotional practice in honor of the Blessed Virgin Mary, the Mother of God.