4 To what else ought he then to be indifferent? Slander and envy. Unseasonable evil speaking, however (for of course the Bishop undergoes some groundless censure), it is well that he should neither fear nor tremble at excessively, nor entirely pass over; but we ought, though it happen to be false, or to be brought against us by the common herd, to try and extinguish it immediately. For nothing so magnifies both an evil and a good report as the undisciplined mob. For accustomed to hear and to speak without stopping to make inquiry, they repeat at random everything which comes in their way, without any regard to the truth of it.
Therefore the Bishop ought not to be unconcerned about the multitude, but straightway to nip their evil surmisings in the bud; persuading his accusers, even if they be the most unreasonable of all men, and to omit nothing which is able to dispel an ill-favored report. But if, when we do all this, they who blame us will not be persuaded, thenceforward we should give them no concern. Since if any one be too quick to be dejected by these accidents, he will not be able at any time to produce anything noble and admirable.
For despondency and constant cares are mighty for destroying the powers of the mind, and for reducing it to extreme weakness. Thus then must the Priest behave towards those in his charge, as a father would behave to his very young children; and as such are not disturbed either by their insults or their blows, or their lamentations, nor even if they laugh and rejoice with us, do we take much account of it; so should we neither be puffed up by the promises of these persons nor cast down at their censure, when it comes from them unseasonably.
But this is hard, my good friend; and perhaps, methinks, even impossible. For I know not whether any man ever succeeded in the effort not to be pleased when he is praised, and the man who is pleased at this is likely also to desire to enjoy it, and the man who desires to enjoy it will, of necessity, be altogether vexed and beside himself whenever he misses it. For as they who revel in being rich, when they fall into poverty are grieved, and they who have been used to live luxuriously cannot bear to live shabbily; so, too, they who long for applause, not only when they are blamed without a cause, but when they are not constantly being praised, become, as by some famine, wasted in soul, particularly when they happen themselves to have been used to praise, or if they hear others being praised.
He who enters upon the trial of preaching with desires of this kind, how many annoyances and how many pangs do you think that he has? It is no more possible for the sea to be without waves than that man to be without cares and grief.
Source: On the Priesthood (New Advent)