Balfour replies to criticisms by Watson regarding Balfour's earlier book, A Defense of Philosophical Doubt.

Excerpt from A Defence of Philosophic Doubt: Being an Essay on the Foundations of Belief What is meant by Ethics I have Shown at length in the Appendix which will be found at the end of the volume. Here it is only necessary to say that it includes, not only what are commonly called moral systems, but also some analogous systems not usually so described. Multitudes of propositions, all professing to em body knowledge belonging to one or other of these (...) departments, are being continually put forward for our acceptance. And as no one believes all of them, so those who profess to act rationally must hold that there are grounds for rejecting the propositions they disbelieve, and for accepting those they believe. The systematic account of. These grounds of belief and disbelief makes up the fourth of the Classes into which possible knowledge is divided, and is here always called Philosophy. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. (shrink)

Balfour on Green's Prolegomena to Ethics.