Except in one case, there was no known insanity in their families.

除了一种情况，在他们的家庭中有不为人知的精神失常问题。

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There can be no greater definition of stupidity or bravery; insanity or clarity; hubris or grace.

没有什么能比这更好地展现愚蠢或者勇敢，疯狂或者澄明，傲慢或者慈悲。

youdao

The Museum of Everything Exhibition No. 4: Art or Insanity?

“啥都有博物馆”系列展之4：艺术还是疯狂？

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and insanity incites to action. With no definite plan and acting like a madman, Murlock ran quickly to the wall.

VOA: special.2009.10.31

No one could imagine the insanity of no estate tax in 2010, or of a return to 2001 rates and exemptions in 2011, undoing all of the reductions that occurred between 2002 and 2009.

FORBES: Tea Leaves And Tax Moves In 2010

Nearly eight months later, the defense has dropped hints about Holmes' mental state but has given no clear statement on whether he would plead insanity.

NPR: Colo. Judge Enters Not Guilty Plea For Holmes

Facebook's decision to pay so much money for a firm that has, as it happens, no revenue whatsoever smacks to many of the insanity that fuelled the last tech bubble.

ECONOMIST: Social networking