 It is a theological examination of the role of the Holy Spirit as it pertains to the modern world and the church and the use of spiritual prayer to renew one's spiritual life.This extended meditation on the Holy Spirit completed the Pope's Trinitarian trilogy of encyclicals, which includes Redemptor Hominis and Dives in Misericordia.In 1986, Pope John Paul II was already anticipating the new millennium, with its new challenges, as well as the new graces the Holy Spirit would bestow upon the Church as she celebrated the Great Jubilee beginning the third millennium of Christianity.