Chaldeans ... Syrians - when Jehoiakim revolted from Nebuchadnezzar (2Ki 24:1, 2Ki 24:2). Necessity sets aside all other laws. This is the Rechabites’ excuse for their seeming disobedience to Jonadab in temporarily settling in a city. Herein was seen the prescient wisdom of Jonadab’s commands; they could at a moment’s notice migrate, having no land possessions to tie them.