Stanch admirers know that Bacon was the herald of the new era; they believe that it was his trumpet-call which animated the troops and led them to victory.
Continuing The Birth of Modern Scientific Methods,
our selection from George Henry Lewes. The selection is presented in five easy 5 minute installments.
Previously in The Birth of Modern Scientific Methods.
Time: c 1620
It is in vain that critics oppose such a claim by asserting what is undeniable, that the great discoveries in modern science were neither made on Bacon’s method nor under any direct guidance from him — that Copernicus, Galileo, and Kepler preceded him, that Harvey and Newton ignored him — stanch admirers have their answer ready; they know that Bacon was the herald of the new era, and they believe that it was his trumpet-call which animated the troops and led them to victory.
Having thus indicated his position, it will be necessary to give a brief outline of the method which he confidently believed was to be infallible and applicable in all inquiries. This was imperatively needed: “for let a man look carefully into all that variety of books with which the arts and sciences abound, he will find everywhere endless repetitions of the same thing, varying in the method of treatment, but not new in substance, insomuch that the whole stock, numerous as it appears at first view, proves on examination to be but scanty. What was asserted once is asserted still, and what was a question once is a question still, and, instead of being resolved by discussion, is only fixed and fed.”
He proposes his new method, that thereby “the intellect may be raised and exalted and made capable of overcoming the difficulties and obscurities of nature. The art which I introduce with this view (which I call the ‘Interpretation of Nature’) is a kind of logic, though the difference between it and the ordinary logic is great, indeed immense. For the ordinary logic professes to contrive and prepare helps and guards for the understanding, as mine does; and in this one point they agree. But mine differs from it in three points: viz., in the end aimed at, in the order of demonstration, and in the starting-point of inquiry.
“But the greatest change I introduce is in the form itself of induction and the judgments made thereby. For the induction of which the logicians speak, which proceeds by simple enumeration, is a puerile thing; concluded at hazard, is always liable to be upset by a contradictory instance, takes into account only what is known and ordinary, and leads to no result. Now, what the sciences stand in need of is a form of induction which shall analyze experience and take it to pieces, and by a due process of exclusion and rejection lead to an inevitable conclusion.”
“Now, my method, though hard to practise, is easy to explain; and it is this: I propose to establish progressive stages of certainty. The evidence of sense, helped and guarded by a certain process of correction, I retain; but the mental operation which follows the act of sense I for the most part reject; and instead of it I open and lay out a new and certain path for the mind to proceed in, starting directly from the simple sensuous perception.”
The same dissatisfaction with mediæval philosophy expressed itself in Descartes. The incompetence of philosophers to solve the problems they occupied themselves with — the anarchy which reigned in the scientific world, where no two thinkers could agree upon fundamental points — the extravagance of the conclusions to which some accepted premises led, determined him to seek no more to slake his thirst at their fountains.
“And that is why, as soon as my age permitted me to quit my preceptors,” he says, “I entirely gave up the study of letters; and resolving to seek no other science than that which I could find in myself, or else in the great book of the world, I employed the remainder of my youth in travel, in seeing courts and camps, in frequenting people of diverse humors and conditions, in collecting various experiences, and above all in endeavoring to draw some profitable reflection from what I saw. For it seemed to me that I should meet with more truth in the reasonings which each man makes in his own affairs, and which, if wrong, would be speedily punished by failure, than in those reasonings which the philosopher makes in his study, upon speculations which produce no effect, and which are of no consequence to him, except perhaps that he will be more vain of them the more remote they are from common-sense, because he would then have been forced to employ more ingenuity and subtlety to render them plausible.”
For many years he led a roving, unsettled life; now serving in the army, now making a tour, now studying mathematics in solitude, now conversing with scientific men. One constant purpose gave unity to those various pursuits. He was elaborating his answers to the questions which perplexed him; he was preparing his method.
When only twenty-three he conceived the design of a reformation in philosophy. He was at that time residing in his winter quarters at Neuburg, on the Danube. His travels soon afterward commenced, and at the age of thirty-three he retired into Holland, there in silence and solitude to arrange his thoughts into a consistent whole. He remained there eight years; and so completely did he shut himself from the world that he concealed from his friends the very place of his residence.
When the results of this meditative solitude were given to the world in the shape of his celebrated Discourse on Method, and his Meditations — to which he invented replies — the sensation produced was immense. It was evident to all men that an original thinker had arisen; and although this originality could not but rouse much opposition, from the very fact of being original, yet Descartes gained the day. His name became European. His controversies were European quarrels. Charles I of England invited him over, with the promise of a liberal appointment; and the invitation would probably have been accepted had not the civil war broken out. He afterward received a flattering invitation from Christina of Sweden, who had read some of his works with great satisfaction, and wished to learn from himself the principles of his philosophy.
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