“Then let those in Judea begin fleeing to the mountains, and let those in the midst of her withdraw, and let those in the country places not enter into her;

In the year 66 C.E. the armies of Rome came just as Jesus had warned and surrounded the city. When the Roman armies withdrew for a time, those who sought God’s goodwill still had time to heed Jesus’ warning to ‘flee to the mountains.’ This they did, and speedily.