Upon which Mme Verdurin acutely remarks that medicine could furnish subjects truer than a theatre where the humour of an imbroglio is founded upon pathological mistakes, which from thread to needle brought Mme Cottard to relate that a similar notion had been made use of by an amateur who is the prime favourite at her children’s evening parties, the Scotchman Stevenson, a name which forced from Swann the peremptory affirmation: ‘But Stevenson is a great writer, I can assure you, M. de Goncourt, a very great one, equal to the greatest.’