To utter a performative is not to make a statement， and therefore the utterance of a performative is neither true nor false.

There is a great deal of unmapped country within us which would have to be taken into account in an explanation of our gusts and storms.

那些将环境挑战视为商业机会的公司将会成功。

世界是一本伟大的书，那些从未离开家的人只读了一页。