They become self-interested and hyper-vigilant, very fearful should they incur the disapproval of the group, which now offers the only support available to them which has group approval.

他们变得自私和亢奋警惕， 非常可怕如果他们招致小组的不赞成， 为他们现在提供唯一的支持可利用哪些有小组认同。

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Meanwhile, Dr. Jeffrey Koplan, director of the Centers for Disease Control and Prevention, reiterated that the public should be vigilant about checking their mail but not fearful.

CNN: Bush, postal officials urge caution with mail

In an increasingly fearful world, we have to become ever more discerning about what fears we pay heed to, and vigilant of where our fear of the wrong things is harming us, rather than protecting us from harm.

FORBES: Know What to Fear: Where are you misplacing your fear?