1. Do as you would be done by. 

2. ‘And the loveable curmudgeon is responsible for most of literature's best quotations, maxims and Aphorisms.’ ‘It is a book of hard-won wisdom and stark pleasure in the form of 500 lyrical Aphorisms and epigrams.’ ‘Ethics was about obligations to other people, expressed in Aphorisms such as ‘do as you would be done by’.’