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9 在各節期,國內居民朝見耶和華的時候,從北門進入敬拜的,必由南門而出;從南門進入的,必由北門而出。不可從所入的門而出,必要直往前行,由對門而出。
In Lamentations 1:19, this signifies people who teach good, and people who teach truth. (Apocalypse Explained 750)