This article raises some important canonical considerations regarding the abolition of ALL PUBLIC MASSES BY DIOCESAN BISHOPS IN THE FACE OF THE CORONAVIRUS PANDEMIC:

https://canonlawmadeeasy.com/2020/03/20/bishops-authority-cancel-masses/

Also, the homily below is from Pope Benedict XVI and based on an article he had written for the journal “Communio,” back in the early 90’s, entitled:  “The Meaning of Sunday”.

https://w2.vatican.va/content/benedict-xvi/en/homilies/2007/documents/hf_ben-xvi_hom_20070909_wien.pdf

He quotes the martyrs of Abitene:  Sine Dominico non possumus!