It is very helpful to read with a commonplace book or reading-diary, in which to put down any striking thought in your author, or your own impression of the work, or of any part of it; but not summaries of facts. Such a diary, carefully kept through life, should be exceedingly interesting as containing the intellectual history of the writer; besides, we never forget the book that we have made extracts from, and of which we have taken the trouble to write a short review. Charl