EDITOR'S NOTE: This thread has been branched off from the thread discussing the retirement of Laura Morera as a Principal with the Royal Ballet - some of the posts referred to are still in that thread:       Letter from Ashton to 'Mim' (Rambert)  when he was with Rubinstein company.   "She (ie Nijinska) gives a brilliant class, very difficult and never dull & in doing it one realises over and over again that the best system of training is obviously Ceccetti (si