Sometimes the advice to 'never trust a hippy' is ascribed to Malcolm McLaren. Sometimes to Jonny Rotten and sometimes to Jamie Reid (the Pistols' art director). It's hardly surprising it has many fathers as it's one of the most sensible bits of advice dispensed in the latter half of the twentieth century. I prefer McLaren to have been the originator as he was surely something of an expert on trust and its abuses.
Anyway, I won't say rest in peace, as I can't think of anything less likely to appeal to the Godfather of Punk. Not that some of his music didn't have moments of great serenity and beauty. Here's Miss Butterfly from his much underrated opera fusion album, 'Fans':