(論語です)

衛霊公第十五 15-24
Tsze-kung asked, saying, "Is there one word which may serve as a rule of practice for all one's life?" The Master said, "Is not Reciprocity such a word? What you do not want done to yourself, do not do to others."
子貢問曰、有一言而可以終身行之者乎、子曰、其恕乎、己所不欲、勿施於人也、