Through luck and skill, that crisis was contained — but rather than serving as a warning, the episode nurtured the false belief that the Fed had all the tools it needed to deal with financial shocks.

凭借运气和技巧，危机被控制住了。 可是这件事并未被当作是一种警告，反而造成了错误的想法，认为美联储拥有足够多的办法来应付金融冲击。

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Still, a small rise in interest rates would still leave monetary policy very loose, while serving as a warning to investors and homeowners that shares and house prices cannot keep rising for ever.

ECONOMIST: The American economy

Serving as a psychological canary in the coalmine of your life, warning you to re-evaluate the wisdom inherent in following one particular path relative to alternative ones.

FORBES: Worried About Anxiety? Don't Be; It's Often Good For You.