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- 声望
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Issue 138
"Only through mistakes can there be discovery or progress."
I principally agree that mistakes are nearly inevitable yet worthy for discovery or progress. However, I don't hold the same idea as the speaker's which amounts to assertion that mistake is the only exclusive way to achieve discovery or progress, falsely overlooking the crucial effect of knowledge and reasoning.
A brief review of human history can manifest the indispensable contribute of "trial and error" method to progresses in every field, which is especially true in inventions and sciences. An outstanding example coming to mind is Thomas Edison, one of greatest inventors, whose success was built on persistent keeping trials after one failure and another. Edison was not a learned scientist and depended on his experiments very much. To find a new material for highly durable while considerably economical light bulb, he even tried until success over two thousand kinds available to him, including mustache of a friend of his, all of which, except the last one, of course, were mistaken choices. The life of Edison, as well as numerous scientists, was fraught of mistakes which helped him to narrow his search zone for the final discovery.
The function of "trial and error", where the merit of mistake rests, is quite understandable. When we face a new problem in our way to a discovery or progress, we usual find ourselves equipped with insufficient knowledge to deal with it. Next to the most desirable answer to "what we can do with it", answers to "what we cannot do with it" are also greatly useful and helpful. As Edison puts when his experiment failed again, "at least I know now one more material that can't be used in light bulbs." By precluding possible but factually wrong answers one by one, tenacious trials make the only right one remain to be found at last.
But in most cases the efficiency of "trial and error" method alone is far less favorable in comparison with that of the other powerful method. Given enough knowledge and reasoning, Edison might have succeeded after substantially fewer experiments under the guidance of the logical method. A concordant marriage between knowledge and reasoning can draw a simple but reliable map for our exploration on the basis of what we have already known and can deduce. In other words, it expands and extends our kens, preparing for attempts after it. It usually works as effectively yet more efficiently as a substitute for the "trial and error" method. In fact, this logical approach is so prevailing in education system that many students get an illusion that they can accomplish discoveries and progresses sheerly with the aid of logic tools, avoiding mistakes at all.
On balance, nevertheless, a combination of the two methods has proved its power surpasses either method alone. The nation-wide reform in China, for instance, began with a purely theoretical debate on the ultimate criterion for testing truth, which then ignited a outbreak of thoughts reflecting on the old economic and politic systems, leading to new theories calling for a more practical and rational mechanism. In light of these pioneering logical suggestions, a spark of Market Economy, as a trial, came reality in a little fishing village, which now has grown into a world-famous city named Shenzhen. Shortly after the success experiment in Shenzhen, a series of significant reforms started progressing step by step. Mistakes are frequent but under control. Lessons learnt from them enrich the theories, which in turn direct further trials. In this way, China has taken on a nice spiral, advancing raptly and steadily.
To sum up, mistakes are part and parcel of "trial and error" approach which has contributed invaluably to human's discoveries and progresses, while theory and reasoning method is of equal importance. In the final analysis, it's clearly better off to apply the both to express most propelling power. |
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