If you've always been a certain way or done a certain thing, but it's not working for you any more, or you're not content, Emerson says that it'd be foolish to be consistent even with our own past.

如果你总是以某种方式或做某种事情，但它不再适合你，或者你不满足，爱默生说，即使是与我们自己的过去保持一致也是愚蠢的。

youdao

And she said, "For all these years I didn't want you to know how foolish and unstable I was back when we met."

她说：“这么多年来我都不想让你知道，我们认识的时候我有多愚蠢，多不稳定。”

youdao

Avoid foolish and ignorant debates, for you know that they breed quarrels.

至于那些愚昧和粗野的辩论，务要躲避，因为你知道辩论只会产生争吵。

youdao

If you feel foolish for not selling in the last big downturn, it may be because you project this decline will be like that one.

FORBES: Take Measured Steps Toward Growth

Also, the experience of Ireland's banks - where losses rose exponentially for month after relentless month following the 2008 crash - shows how foolish it is to ever assume that you've touched bottom when a massive debt-financed property bubble has been pricked.

BBC: Are any British banks still Premier League?