A 'performative' utterance is not true or false， but happy or unhappy.

成功的收获始于倾听前人的智慧。

All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter into another.

The architect must be a philosopher.

问题是，我们是否乐于假设我们的孙子孙女可能永远无法在大象的图片书之外看到大象？

采撷花瓣得不著花的美丽。