Each of us lost something. The outpouring of prayer for the victims, perpetrators and our nation was great. A steady stream of people came to pray. Thinking of tragedies of lesser magnitude, I wondered why it takes such events for us to reflect upon life. One point of St. Ignatius' Spiritual Exercises calls us to reflect upon the last day of one's life.
Copies are available in the church.
The Commandments are not the only criteria against which we measure our behavior. A common practice in Scripture is to employ the Decalogue as core teaching upon which more teaching is built. Such is the case in Leviticus. Hebrews employs the New Covenant or Paschal Mystery as its core. Upon that the rest of the book is written.