By heeding what warning did first - century Christians escape calamity? Just days before his death, Jesus gave a prophetic warning for the benefit of his disciples in Judea.
أَمَّا ٱلْمَسِيحِيُّونَ ٱلَّذِينَ أَطَاعُوا تَحْذِيرَ يَسُوعَ فَقَدْ نَجَوْا مِنْ هذِهِ ٱلْكَارِثَةِ ٱلْفَظِيعَةِ .‏ —‏ لو ١٩ :‏ ​ ٤١ -‏ ٤٤‏ .‏