“My brothers and sisters, in the course of a long life in the service of our Mother the Church, let me tell you that the one sin I have come to fear more than any other is certainty. Certainty is the great enemy of unity. Certainty is the deadly enemy of tolerance. Even Christ was not certain at the end. 'Eli Eli, lama sabachtani?' He cried out in His agony at the ninth hour on the cross. 'My God, my…