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between him and the man of science. Science is the result of inquiry; theology is the result of faith. In the one, the spirit of doubt; in the other, the spirit of belief. In science, originality is the parent of discovery, and is, therefore, a merit; in theology, it is the parent of heresy, and is, therefore, a crime. Every system of religion the world has yet seen, recognizes faith as an indispensable duty; but to every system of science it is a hindrance, instead of a duty, inasmuch as it discourages those inquisitive and innovating habits on which all intellectual progress depends. The theologian, thus turning credulity into an honour, and valuing men in proportion as they are simple-minded and easy of belief, has little need to trouble himself with facts, which, indeed, he sets at open defiance, in his eagerness to narrate portentous, and often miraculous, events. To the inductive philosopher, such a license is forbidden. He is obliged to ground his inferences on facts which no one disputes, or which, at all events, any one can either verify for himself, or see verified by others. And if he does not adopt this course, his inferences, be they ever so true, will have the greatest difficulty in working themselves into the popular mind, because they will savour of a subtlety and refinement of thought, which, more than any thing else, predisposes common understandings to reject the conclusions at which philosophers arrive.

From the facts and arguments contained in this and the preceding chapter, the reader will, I trust, be able to see why it was that the Scotch intellect, during the seventeenth and eighteenth centuries, was preeminently deductive; and also why it was that, in the eighteenth century, the Scotch literature, notwithstanding its brilliancy, its power, and the splendid discoveries of which it was the vehicle, produced little or no effect on the nation at large. That literature, by its bold and innovating character, seemed peculiarly fitted to disturb ancient prejudices, and to rouse up a spirit of inquiry. But its method, both of investigation and of proof, was too refined to suit ordinary understandings. Therefore,

upon ordinary understandings it was inoperative. In Scotland, as in ancient Greece, and in modern Germany, the intellectual classes, being essentially deductive, have been unable to influence the main body of the people. They have considered things at too great an altitude, and at too great a remove. In Greece, Aristotle alone had a true idea of what induction really was. But even he knew nothing of crucial instances and the theory of averages, the two capital resources of that inductive philosophy which we now possess. Neither did he, nor any of the great German philosophers, nor any of the great Scotch philosophers, attach sufficient importance to the slow and cautious method of gradually rising from each generalization to the one immediately above it, without omitting any intermediate generalization. On this method, Bacon, indeed, insists too strongly, since many most important discoveries have been made independently of it, or, I should rather say, in contradiction to it. But it is a wonderful weapon, and none except men of real genius can dispense with its use. And when they do dispense with it, they cut themselves off from the general sympathies of their age and country. For, these small and proximate generalizations, which they neglect, are precisely those parts of philosophy which, being least removed from the region of visible facts, are best understood by the people, and, therefore, form the only common ground between thinkers and practitioners. They are a sort of middle term, which, being comprehended by both classes, is accessible to either. In all deductive reasoning, this intermediate, and, if I may so say, neutral, territory disappears, and the two classes have no meeting-place. Hence it is, that the Scotch philosophy, like the German philosophy, and like the Greek philosophy, has had no national influence. But in England, since the seventeenth century, and in France, since the eighteenth century, the prevailing philosophy has been inductive, and has, therefore, not only affected the intellectual classes, but also moved the public mind. The German philosophers are far superior,

both in depth and in comprehensiveness, to the philosophers either of France or of England. Their profound researches have, however, done so little for their country, that the German people are every way inferior to the French and English people. So, too, in the philosophy of ancient Greece, we find a vast body of massive and original thought, and, what is infinitely better, we find a boldness of inquiry and a passionate love of truth, such as no modern nation has surpassed, and few modern nations have equalled. But the method of that philosophy was an insuperable barrier to its propagation. The people were untouched, and went grovelling on in their old folly, a prey to superstitions, most of which the great thinkers despised, and often attacked, but could by no means root out. Bad, however, as those superstitions were, we may confidently say that they were less noxious, that is, less detrimental to the happiness of man, than the repulsive and horrible notions advocated by the Scotch clergy, and sanctioned by the Scotch people. And on those notions the Scotch philosophy could make no impression. In Scotland, during the eighteenth century, superstition and science, the most irreconcilable of all enemies, flourished side by side, unable to weaken each other, and unable, indeed, to come into collision with each other. There was co-existence without contact. The two forces kept apart, and the result was, that, while the Scotch thinkers were creating a noble and most enlightened literature, the Scotch people, refusing to listen to those great masters of wisdom which their country possessed, remained in darkness, leaving the blind to follow the blind, and no one there to help them.

It is, indeed, curious to observe how little effect was produced by the many great works written by Scotchmen in the eighteenth century. If we except the Wealth of Nations, I can hardly call to mind one which has perceptibly influenced public opinion. The reason of this; exception may be easily explained. The Wealth of Nations restricted the action of government within narrower

limits than had ever been assigned to it by any other book of great merit. No previous political writer of admitted genius, had left so much to the people, and had demanded for them so much liberty in managing their own affairs, as Adam Smith did. The Wealth of Nations, being thus eminently a democratic book, was sure to find favour in Scotland, which was eminently a democratic country. Directly men heard its conclusions, they were prejudiced in favour of its arguments. So, too, in England, that love of liberty, which for many centuries has been our leading characteristic, and which does us more real honour than all our conquests, all our literature, and all our philosophy put together, invariably causes a popular bias on behalf of any claim to freedom. We, therefore, notwithstanding the activity of interested parties, were predisposed to the side of free trade, as one of the means of letting each man do what he liked with his own. But to imagine that ordinary minds are capable of mastering such a work as the Wealth of Nations, and of following without confusion its long and intricate arguments, is simply absurd. It has been read by tens of thousands of persons, who accept its conclusions because they like them; which is merely saying, because the movement of the age tends that way. The other great work of Adam Smith, namely the Theory of Moral Sentiments, has had no influence except on a very small class of metaphysicians, although its style is, as some think, superior to the Wealth of Nations, and it is certainly easier to understand. It is, moreover, much shorter, which, to most readers, is no small recommendation; and it deals with subjects of great interest, which come home to the feelings of all. But the age, not caring for its conclusions, neglected its arguments. the other hand, the Wealth of Nations harmonized with the general tendency, and its success was supreme. It quickly moved, not only philosophers, but even statesmen and politicians, who eventually put into force its leading recommendations, though, as their laws and their speeches abundantly prove, they have never succeeded in master

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ing those great principles which underlie it, and of which the freedom of trade is but a minor accessory.

Putting aside the Wealth of Nations, we shall find that the Scotch literature of the eighteenth century did scarcely any thing for Scotland, considered as a whole. How it has failed in its great aim of weakening superstition, is but too apparent to whoever has travelled in that country, and observed the habits and turn of mind still predominant. Many able and enlightened men who live there, are so cowed by the general spirit, that, for their own comfort, and for the peace of their families, they make no resistance, but tacitly comply with what they heartily despise. That they err in doing so, I, at least, firmly believe; though I know that many honest, and in every respect competent, judges are of opinion, that no man is bound to be a martyr, or to jeopardize his personal interests, unless he clearly sees his way to some immediate public good. To me, however, it ap pears that this is a narrow view, and that the first duty of every one is to set his face in direct opposition to what he believes to be false, and, having done that, leave the results of his conduct to take care of themselves. Still, the temptation to a contrary course is always very strong, and, in a country like Scotland, is by many deemed irresistible. In no other Protestant nation, and, indeed, in no Catholic nation except Spain, will a man who is known to hold unorthodox opinions, find his life equally uncomfortable. In a few of the large towns, he may possibly escape animadversion, if his sentiments are not too bold, and are not too openly expressed. If he is timid and taciturn, his heresy may, perchance, be overlooked. But even in large towns, impunity is the exception, and not the rule. Even in the capital of Scotland, in that centre of intelligence which once boasted of being the Modern Athens, a whisper will quickly circulate that such an one is to be avoided, for that he is a free-thinker; as if free-thinking were a crime, or as if it were not better to be a free-thinker than a slavish thinker. In other parts, that is, in Scotland generally,

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