Claudio Naranjo, a Chilean psychiatrist who was teaching in California in the late 1960s, says that, after being "disappointed in the extent to which Gurdjieff's school entailed a living lineage", he had turned towards Sufism and had "become part of a group under the guidance of Idries Shah."
Claudio Naranjo, en chilensk psykiater som undervisade i Kalifornien i slutet av 60-talet, säger att "i besvikelsen över i hur hög grad Gurdjieff-skolan bar med sig förflutna levande, vände han sig till sufismen och hade "blivit en del av en grupp under ledning av Idries Shah".