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.
自己不愿意的，不要强加给别人。
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
In the quest for understanding, failure is not the opposite of success; it is a stepping stone to it.