Thank you for checking out this book by Theophania Publishing. We appreciate your business and look forward to serving you soon. We have thousands of titles available, and we invite you to search for us by name, contact us via our website, or download our most recent catalogues. This book is a complete translation of the fragments of the Pre-Socratic philosophers given in Diels, Fragmente der Vorsokratiker, Fifth Edition (B-sections). Comments on readings and interpretation have been confined to footnotes, and are restricted to the minimum; for further discussion, the reader is referred to my Companion to the Pre-Socratic Philosophers, to which this book is ancillary.