Once one of the brothers in the Order of Friars Minor asked him a question. The brother was very sensitive to scandals. "Br. Francis," he said, "What would you do if you knew that the priest celebrating Mass had three concubines on the side?" Francis, without missing a beat, said slowly, "When it came time for Holy Communion, I would go to receive the Sacred Body of my Lord from the priest's anointed hands."
What was Francis getting at? He was getting at a tremendous truth of the faith and a tremendous gift of the Lord. No matter how sinful a priest is, provided that he has the intention to do what the Church does at Mass, for example, to change bread and wine into Christ's body and blood, or in confession, no matter how sinful he is personally, to forgive the penitent's sins Christ himself acts through that minister in the sacraments.
Christ himself acts through that minister in the sacraments.
Not every priest makes the effort to accentuate and set apart the words "This is my body ... this is my blood ... do this in memory of me" like the priest at my parish do.
Those are not the words and that is not the voice of the priest, however. He speaks for Christ.