NET
31 On that day, anyone who is on the roof, with his goods in the house, must not come down to take them away, and likewise the person in the field must not turn back.
Darby
31 In that day, he who shall be on the housetop, and his stuff in the house, let him not go down to take it away; and he that is in the field, let him likewise not return back.
KJV
31 “In that day, he which shall be upon the housetop, and his stuff in the house, let him not come down to take it away: and he that is in the field, let him likewise not return back.”