(20/10/15) The Fifth International Congress organized by the Joseph Ratzinger – Benedict XVI Vatican Foundation “La oración, fuerza que cambia el mundo” (The prayer and the power to change the world) will be held on 27th October, at 7 p.m., at the Almudena Cathedral in Madrid with the Mass leaded by the archbishop of Madrid Msgr. Carlos Osoro Sierra and a mystic concert, and on 28th-29th October at the Francisco de Vitoria University, with the support of the Foundation Fifth Centenary of the Birth of Saint Teresa of Jesus. The topic of the Congress is linked to the Theresian spirituality and had a great importance in the thoughts and the teachings of the theologian Joseph Ratzinger, later Pope Benedict XVI.