发出履行性陈述并不是在做陈述，因此履行性陈述的发言既不真实也不虚假。
To utter a performative is not to make a statement， and therefore the utterance of a performative is neither true nor false.
不要相信“万能”胶。
The energy transition is both a challenge and an opportunity.
细节不是细节。它们成就了设计。
解释：愚者最大的弊病，就是误把聪明人当糊涂人糊弄。