From the diary kept by George Grote for his fiancee, Harriet Lewin (autumn 1818): 'Thursday, October 8th. 'Rose soon after 6. Read the second chapter of Say's "Economie," and I wrote down on paper some remarks on production, after meditating the subject much, as some parts of it are very thorny. I had occasion to differ with some of Say's positions. 'Rose soon after 6. Read over again Say's chapter in capital, and put down some remarks on it in order to clear up my notions on the subject, as I found occasion to suspect the soundness of some I had before entertained [...] 'Rose at 1/2 past 6. Read some more Say on the Division of Labour.'