Lectures On The Ethics Of T. H. Green, Mr. Herbert Spencer And J. Martineau is a book written by Henry Sidgwick. The book is a collection of lectures on the ethical theories of three prominent philosophers of the 19th century - T. H. Green, Herbert Spencer, and J. Martineau. The lectures provide an in-depth analysis of the ethical systems of these philosophers and their contributions to the field of ethics. The author examines the similarities and...