41 The faithful should present the sort of picture - as often as circumstances require - which is described so wonderfully, beautifully, and meaningfully in the Letter to Diognetus : "The Christians . . . are in the flesh, but do not live by the flesh. They dwell on earth, but they are citizens of heaven. They obey valid laws, and even go beyond the demands of law in the conduct of their lives. They love all men, and yet all men persecute them. They are not understood, and yet they are condemned; they are put to death, and yet their life is quickened. . . They are dishonored, and yet in the midst of dishonor they find honor. Their good name is railed at, and yet is presented as evidence of their justice. . . When they conduct themselves like honest men, they are punished like criminals; while they are being punished, they rejoice as though they are being exalted...
Source: Meminisse Iuvat (Vatican.va)