4 Nor let any one, beloved brethren, when he beholds our people driven away and scattered by the fear of persecution, be disturbed at seeing the brotherhood gathered together, nor the bishops discoursing.1 All are not able to be there together, who may not kill, but who must be killed. Wherever, in those days, each one of the brethren shall be separated from the flock for a time, by the necessity of the season, in body, not in spirit, let him not be moved at the terror of that flight; nor, if he withdraw and be concealed, let him be alarmed at the solitude of the desert place.
He is not alone, whose companion in flight Christ is; he is not alone who, keeping God's temple wheresoever he is, is not without God. And if a robber should fall upon you, a fugitive in the solitude or in the mountains; if a wild beast should attack you; if hunger, or thirst, or cold should distress you, or the tempest and the storm should overwhelm you hastening in a rapid voyage over the seas, Christ everywhere looks upon His soldier fighting; and for the sake of persecution, for the honour of His name, gives a reward to him when he dies, as He has promised that He will give in the resurrection.
Nor is the glory of martyrdom less that he has not perished publicly and before many, since the cause of perishing is to perish for Christ. That Witness who proves martyrs, and crowns them, suffices for a testimony of his martyrdom.
Source: The Epistles of Cyprian (New Advent)