History of Western Philosophy - Bertrand Russell [340]
Before embarking upon any detail, it will be well to consider the general pattern of the liberal movements from the seventeenth to the nineteenth century. This pattern is at first simple, but grows gradually more and more complex. The distinctive character of the whole movement is, in a certain wide sense, individualism; but this is a vague term until further defined. The philosophers of Greece, down to and including Aristotle, were not individualists in the sense in which I wish to use the term. They thought of a man as essentially a member of a community; Plato's Republic, for example, is concerned to define the good community, not the good individual. With the loss of political liberty from the time of Alexander onwards, individualism developed, and was represented by the Cynics and Stoics. According to the Stoic philosophy, a man could live a good life in no matter what social circumstances. This was also the view of Christianity, especially before it acquired control of the State. But in the Middle Ages, while mystics kept alive the original individualistic trends in Christian ethics, the outlook of most men, including the majority of philosophers, was dominated by a firm synthesis of dogma, law, and custom, which caused men's theoretical beliefs and practical morality to be controlled by a social institution, namely the Catholic Church: what was true and what was good was to be ascertained, not by solitary thought, but by the collective wisdom of Councils.
The first important breach in this system was made by Protestantism, which asserted that General Councils may err. To determine the truth thus became no longer a social but an individual enterprise. Since different individuals reached different conclusions, the result was strife, and theological decisions were sought, no longer in assemblies of bishops, but on the battlefield. Since neither party was able to extirpate the other, it became evident, in the end, that a method must be found of reconciling intellectual and ethical individualism with ordered social life. This was one of the main problems which early liberalism attempted to solve.
Meanwhile individualism had penetrated into philosophy. Descartes' fundamental certainty, 'I think, therefore I am', made the basis of knowledge different for each person, since for each the starting-point was his own existence, not that of other individuals or of the community. His emphasis upon the reliability of clear and distinct ideas tended in the same direction, since it is by introspection that we think we discover whether our ideas are clear and distinct. Most philosophy since Descartes has had this intellectually individualistic aspect in a greater or less degree.
There are, however, various forms of this general position, which have, in practice, very different consequences. The outlook of the typical scientific discoverer has perhaps the smallest dose of individualism. When he arrives at a new theory, he does so solely because it seems right to him; he does not bow to authority, for, if he did, he would continue to accept the theories of his predecessors. At the same time, his appeal is to generally received canons of truth, and he hopes to persuade other men, not by his authority, but by arguments which are convincing to them as individuals. In science, any clash between the individual and society is in essence transitory, since men of science, broadly speaking, all accept the same intellectual standards, and therefore debate and investigation usually produce agreement in the end. This, however, is a modern development; in the time of Galileo, the authority of Aristotle and the Church was still considered at least as cogent as the evidence of the senses. This shows how