A 'performative' utterance is not true or false, but happy or unhappy.
写作是理解我们情感的一种方式。
The uncontrollability of gunpowder teaches me to accept imperfection. 火药的不可控性教会我接受不完美。
The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.