Page:Encyclopædia Britannica, Ninth Edition, v. 3.djvu/228

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212
BACON

new powers or works,"[1] or "to extend more widely the limits of the power and greatness of man."[2] Nevertheless, it is not to be imagined that by this being proposed as the great object of search there is thereby excluded all that has hitherto been looked upon as the higher aims of human life, such as the contemplation of truth. Not so, but by following the new aim we shall also arrive at a true knowledge of the universe in which we are, for without knowledge there is no power; truth and utility are in ultimate aspect the same; "works themselves are of greater value as pledges of truth than as contributing to the comforts of life."[3] Such was the conception of philosophy with which Bacon started, and in which he felt himself to be thoroughly original. As his object was new and hitherto unproposed, so the method he intended to employ was different from all modes of investigation hitherto attempted. "It would be," as he says, "an unsound fancy and self-contradictory, to expect that things which have never yet been done can be done except by means which have never yet been tried."[4] There were many obstacles in his way, and he seems always to have felt that the first part of the new scheme must be a pars destruens, a destructive criticism of all other methods. Opposition was to be expected, not only from previous philosophies, but especially from the human mind itself. In the first place, natural antagonism might be looked for from the two opposed sects, the one of whom, in despair of knowledge, maintained that all science was impossible; while the other, resting on authority and on the learning that had been handed down from the Greeks, declared that science was already completely known, and consequently devoted their energies to methodising and elaborating it. Secondly, within the domain of science itself, properly so called, there were two "kinds of rovers" who must be dismissed. The first were the speculative or logical philosophers, who construe the universe ex analogia hominis, and not ex analogia mundi, who fashion nature according to preconceived ideas, and who employ in their investigations syllogism and abstract reasoning. The second class, who were equally offensive, consisted of those who practised blind experience, which is mere groping in the dark (vaga experientia mera palpatio est), who occasionally hit upon good works or inventions, which, like Atalanta's apples, distracted them from further steady and gradual progress towards universal truth. In place of these straggling efforts of the unassisted human mind, a graduated system of helps was to be supplied, by the use of which the mind, when placed on the right road, would proceed with unerring and mechanical certainty to the invention of new arts and sciences.

Such were to be the peculiar functions of the new method, though it has not definitely appeared what that method was, or to what objects it could be applied. But, before proceeding to unfold his method, Bacon found it necessary to enter in considerable detail upon the general subject of the obstacles to progress, and devoted nearly the whole of the first book of the Organum to the examination of them. This discussion, though strictly speaking extraneous to the scheme, has always been looked upon as a most important part of his philosophy, and his name is perhaps as much associated with the doctrine of Idola as with the theory of induction or the classification of the sciences.

The doctrine of the kinds of fallacies or general classes of errors into which the human mind is prone to fall, appears in many of the works written before the Novum Organum, and the treatment of them varies in some respects. The classification in the Organum, however, not only has the author's sanction, but has received the stamp of historical acceptation; and comparison of the earlier notices, though a point of literary interest, has no important philosophic bearing. The Idola,[5] false notions of things, or erroneous ways of looking at nature, are of four kinds: the first two innate, pertaining to the very nature of the mind and not to be eradicated; the third creeping insensibly into men's minds, and hence in a sense innate and inseparable; the fourth imposed from without. The first kind are the Idola Tribus, fallacies incident to humanity or the race in general. Of these, the most prominent are—the proneness of the mind to suppose in nature greater order and regularity than there actually is; the tendency to support a preconceived opinion by affirmative instances, neglecting or throwing out of account all negative or opposed cases; and the tendency to generalise from few observations, or to give reality to mere abstractions, figments of the mind. Manifold errors also result from the weakness of the senses, which affords scope for mere conjecture; from the in fluence exercised over the understanding by the will and passions; from the restless desire of the mind to penetrate to the ultimate principles of things; and from the belief that "man is the measure of the universe," whereas, in truth, the world is received by us in a distorted and erroneous manner. The second kind are the Idola Specus, idols of the cave, or errors incident to the peculiar mental or bodily constitution of each individual, for according to the state of the individual's mind is his view of things. Errors of this class are innumerable, because there are numberless varieties of disposition; but some very prominent specimens can be indicated. Such are the tendency to make all things subservient to, or take the colour of some favourite subject, the extreme fondness and reverence either for what is ancient or for what is modern, and excess in noting either differences or resemblances amongst things. A practical rule for avoiding these is also given: "In general let every student of nature take this as a rule, that whatever his mind seizes and dwells upon with particular satisfaction is to be held in suspicion."[6] The third class are the Idola Fori, idols of the market-place, i.e., errors arising from the influence exercised over the mind by mere words. This, according to Bacon, is the most troublesome kind of error, and has been especially fatal in philosophy. For words introduce a fallacious mode of looking at things in two ways: first, there are some words that are really merely names for non-existent things, which are yet supposed to exist simply because they have received a name; secondly, there are names hastily and unskilfully abstracted from a few objects and applied recklessly to all that has the faintest analogy with these objects, thus causing the grossest confusion. The fourth and last class are the Idola Theatri, idols of the theatre, i.e., fallacious modes of thinking resulting from received systems of philosophy, and from erroneous methods of demonstration. The criticism of the demonstrations is introduced later in close connection with Bacon's new method; they are the rival modes of procedure, to which his own is definitely opposed. The philosophies which are "redargued "are divided into three classes, the sophistical, of which the best example is Aristotle, who forces nature into his abstract schemata and thinks to ex-


  1. Fil. Lab., 5; cf. N. O., i. 81; Val. Ter. (Works, iii. 222, 233); New Atlantis (Works, iii. 156).
  2. N. O., i. 116.
  3. Ibid., i. 124.
  4. Ibid., i. 6.
  5. The word Idolon is manifestly borrowed from Plato. It is used twice in connection with the Platonic Ideas (N.O., i. 23, 124), and is contrasted with them as the false appearance. The εἵδωλον with Plato is the fleeting, transient image of the real thing, and the passage evidently referred to by Bacon is that in the Rep. vii. 516 A. " καἰ πρῶτον μἐν τἀς σκιἀς ἀν ῥᾷστα καθορφη, καἰ μετἀ τοῖτο ἐν τοῖς ύδασι τἀ τε τῶν ἀνθρὡπων καἰ τἀ τῶν άλλων εἵδωλα, ὕστερον δἐ ἀυτά." It is explained well in the Advancement, bk. i. (Works, iii. 287).
  6. N. O., i. 58.