What is it that our Lady does there at the foot of the cross? Nothing, in fact, that mortal eyes can perceive.
What does she say there at the foot of the cross? Nothing, that mortal ears can hear.
And yet no human being ever was or ever could be more fully or more intimately involved in that sacrifice than she was at that moment because her heart and soul and being were united to her Son and to what He was doing for us all.
The above was an excerpt from the sermon given by Fr. Calvin Goodwin, FSSP during the EWTN televised Traditional Latin Mass, Feast of the Exultation of the Holy Cross.
Actual participation is first and foremost an interior contemplation of the sacred mysteries unfolding before us.