L. T. Hobhouse's Liberalism, of 1911 was a pretty good restatement of Classical Liberalism at the beginning of the 20th century. This text is interesting as, unlike some of the more commonly cited formulation [J.S. Mill for instance], Hobhouset directly addresses the proposals of Marxism. GREAT changes are not caused by ideas alone; but they are not effected without ideas. The passions of men must be aroused if the frost of custom is to be broken or the chains of authority burst; but passion of itself is blind and its world is chaotic. To be effective men must act together, and to act together they must have a common understanding and a common object. When it comes to be a question of any far-reaching change, they must not merely conceive their own immediate end with clearness. They must convert others, they must communicate sympathy and win over the unconvinced. Upon the whole, they must show that their object is possible, that it is compatible with existing institutions, or at any rate with some workable form of social life. They are, in fact, driven on by the requirements of their position to the elaboration of ideas, and in the end to some sort of social philosophy; and the philosophies that have driving force behind them are those which arise after this fashion out of the practical demands of human feeling. Once formed, it reacts upon the minds of its adherents, and gives direction and unity to their efforts. It becomes, in its turn, a real historic force, and the degree of its coherence and adequacy is matter, not merely of academic interest, but of practical moment.