8 Who could observe without profound grief the tragic harvest of such desertions among those who in days of calm and security were numbered among the followers of Christ, but who - Christians unfortunately more in name than in fact - in the hour that called for endurance, for effort, for suffering, for a stout heart in face of hidden or open persecution, fell victims of cowardice, weakness, uncertainty; who, terror-stricken before the sacrifices entailed by a profession of their Christian Faith, could not steel themselves to drink the bitter chalice awaiting those faithful to Christ?
Source: Summi Pontificatus (Vatican.va)