By Chris Sparks, Marian Fathers of the Immaculate Conception - Indeed, Scripture is the part of Tradition that’s written down. Tradition is the life of the Church, animated by the Holy Spirit. Some of the important sources of Tradition are the Church’s liturgical practices across the millennia, as well as the writings of the Church Fathers and the earliest Christians, bearing witness to the apostolic faith. That apostolic faith has been safeguarded across the centuries by the Magisterium of the Church.