Saints Kyrie We implore the Lord's mercy ✠ Lord, have mercy. Christ, have mercy. Lord, have mercy. I Prayers II Reading IPrayers Holy Mass 40 min–1h15 Holy Mass 40 min–1h15 IIReading What the Mass Is The source and summit of the Christian life — one Sacrifice, made present 12 MIN READ ❧ What the Mass Is The source and summit of the Christian life — one Sacrifice, made present The Holy Sacrifice of the Mass From My Catholic Faith, lesson 140 13 MIN READ ❧ The Holy Sacrifice of the Mass From My Catholic Faith, lesson 140