20. enter . . . chambers—When God is about to take vengeance on the ungodly, the saints shall be shut in by Him in a place of safety, as Noah and his family were in the days of the flood (Ge 7:16), and as Israel was commanded not to go out of doors on the night of the slaying of the Egyptian first-born (Ex 12:22, 23; Ps 31:20; 83:3). The saints are calmly and confidently to await the issue (Ex 14:13, 14).