Then those in Judea must flee to the hills, those inside the city must get out, and those in the countryside must not go into it,
In context
19By your endurance you will win your lives. 20When you see Jerusalem ringed by armies, then know that her desolation is near. 21Then those in Judea must flee to the hills, those inside the city must get out, and those in the countryside must not go into it, 22for these are days of reckoning, when everything that is written will be fulfilled. 23How terrible for those who are pregnant and to those nursing infants in those days! For there will be great distress upon the land, and wrath against this people.