一个“履行”的话语不是真或假，而是成功或失败。
A 'performative' utterance is not true or false， but happy or unhappy.
我是那种会为自己人挡子弹的人，如果你越界，我也会要你的命。
The weak grow strong by effrontery, the strong by yielding.
"Memory is a fragile thing, but it is also our most powerful tool for understanding the past."
The energy transition requires collaboration across industries and borders.
