at the end of 2014, which.8 of the world population. 277 In the account of the Confession of Peter found in the Gospel of Matthew, Christ designates Peter as the "rock" upon which Christ's church will be built. In a situation of public and permanent adultery". 87 Sacred Scripture and Sacred Tradition are collectively known as the "deposit of faith" ( depositum fidei ). An outline of its major liturgical elements can be found in the side bar. 307 The battles of Toulouse and Poitiers halted the Islamic advance in the West and the failed Siege of Constantinople halted it in the East. It teaches that anyone who is saved is saved through the Catholic Church but that people can be saved outside of the ordinary means known as baptism of desire, and by pre-baptismal martyrdom, known as baptism of blood, as well as when conditions of invincible.