Everybody, according to their doctrine, should isolate himself, and never remove from his mouth a syringe filled with phenic acid (moreover, they have found out now that it does no good).

根据他们的教义， 每个人都应该自我隔离， 永远不要从嘴里取出装满苯酚酸的注射器（而且， 他们现在发现这没有用）。