Full Idea
All things whatsoever ye would that men should do to you, so ye even so to them: for this is the law and the prophets.
Gist of Idea
Treat others as you would have them treat you
Source
Jesus (reports [c.32]), quoted by St Matthew - 01: Gospel of St Matthew 07.12
Book Reference
'The Bible', ed/tr. the Church [Collins 1950], p.460
A Reaction
A problem which probably didn't occur to Jesus and the prophets is that of masochists. Personally I like buying philosophy books, but most people have no such desire. The Rule needs restricting to the basics of pleasure and pain.