To be a best friend, the best word to live by is reciprocity. - Debasish Mridha
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." - Confucius
There is no reciprocity. Men love women, women love children, children love hamsters. - Alice Thomas Ellis
Gossip and reputation make sure that what comes around-a person who is cruel will find that the others are cruel hack to him, and a person who is kind will find others are kind in return. Gossip paired with reciprocity allow karma to work here on earth, not in the next life. - Jonathan Haidt