By Bishop Joseph E. Strickland, Bishop Emeritus, Pillars of Faith - Pope Pius XII affirmed this sacred duty: “… the Church which Christ Our Lord has appointed guardian and interpreter of the whole deposit of divinely revealed truth.”... At times when this truth is dimmed or confused, old errors rise again. The Church must speak clearly: truth does not evolve; it abides forever in the Person of Jesus Christ, and it is guarded faithfully by His Church... Love indeed is the greatest commandment, but charity must always serve truth – never replace it. Listening is an act of love when it is ordered to conversion and obedience to revelation. The Good Shepherd who listens to His flock also teaches with authority ....