I have often been asked how my plays come about. I cannot say. Nor can I ever sum them up. I can only say that this is what happened. That is what they said. That is what they did.

译文：别人不如自己的地方，不可以拿出来，在他面前卖弄；别人做不了的善事，不能因自己做过而拿出来炫耀；别人能力比不上我，不能拿来难为别人、压制别人；即使自己很有才华，也要懂得收敛起来，不要招摇，做到看起来很平凡。