Dear Brothers and Sisters, The face and voice are unique features that distinguish each person — they show their unique identity and are a constitutive element of each meeting. The ancients knew this well. Thus, to define the human person, the ancient Greeks used the word "face" (prósopon), which etymologically indicates what is in front of the gaze, the place of presence and relationship. The Latin term persona (from per-sonare), on the other hand, includes sound — not just any sound, but the unique voice of a specific person...