Pope Emeritus Benedict XVI is widely recognized as one of the most brilliant theologians and spiritual leaders of our age. As pope he authored the best-selling Jesus of Nazareth; and prior to his pontificate, he wrote many influential books that continue to remain important for the contemporary Church, including Introduction to Christianity and The Spirit of the Liturgy. Robert Cardinal Sarah was born in Guinea, West Africa. Made an archbishop by Pope John Paul II and a cardinal by Pope Benedict XVI, he was named the prefect of the Congregation for Divine Worship and the Discipline of the Sacraments by Pope Francis in 2014. He is the author of God or Nothing, The Power of Silence, and The Day Is Now Far Spent.