Ban goc (Tiếng Anh)

[TRANSCRIBER’S NOTE: All the footnotes have been moved to the end of the text. I have also relabeled the book headings; [I., II., … XI.] has been changed to [BOOK I., BOOK II., … BOOK XI.] at the start of each Section. I have also added a “1.” before the first “thought” in each BOOK.]