[Brackets] enclose editorial explanations. Small ·dots· enclose material that has been added, but can be read as though it were part of the original text. Occasional •bullets, and also indenting of passages that are not quotations, are meant as aids to grasping the structure of a sentence or a thought.-The 'volume' referred to at the outset contained the present work, the Dissertation on the Passions and the Enquiry Concerning the Principles of Morals, which were all published together.]