CHAPTER IV IDEALISM THE word 'idealism' is used by different philosophers in somewhat different senses. We shall understand by it the doctrine that whatever exists, or at any rate whatever can be known to exist, must be in some sense mental. This doctrine, which is very widely held among philosophers, has several forms, and is advocated on several different grounds. The doctrine is so widely held, and so interesting in itself, that even the briefest survey of philosophy must give some account of it. Those who are unaccustomed to philosophical speculation may be inclined to dismiss such a doctrine as obviously absurd. There is no doubt that common sense regards tables and chairs and the sun and moon and material objects generally as something radically different from minds and the contents of minds, and as having an existence which might continue if minds ceased. We think of matter as having existed long before there were any minds, and...
WHY MEN FIGHT I THE PRINCIPLE OF GROWTH TO all who are capable of new impressions and fresh thought, some modification of former beliefs and hopes has been brought by the war. What the modification has been has depended, in each case, upon character and circumstance; but in one form or another it has been almost universal. To me, the chief thing to be learned through the war has been a certain view of the springs of human action, what they are, and what we may legitimately hope that they will become. This view, if it is true, seems to afford a basis for political philosophy more capable of standing erect in a time of crisis than the philosophy of traditional Liberalism has shown itself to be. The following lectures, though only one of them will deal with war, all are inspired by a view of the springs of action which has been suggested by the war. And all of them are informed by the hope of seeing such political institutions established in Europe as shall ma...