There is not much "pleasure" in reading, but "pain" often exists. But the bitter it is, the sweeter it tastes in the end. Bitterness and pleasure in learning can be transformed into each other under certain conditions. There are outstanding great men in the world because they treat suffering correctly in their studies. Advance in suffering and find pleasure in suffering. Edison, a great inventor, had numerous inventions (joys) in his life, and even more numerous failures (pains) that he suffered during his study before his invention. He made 8000 failed experiments for an invention, and every failure denied his efforts and brought him pain. He didn't stop trying because of pain. On the contrary, he said that although these 8000 failures made me miserable, I also felt happy from them. Because they at least let me know that these 8000 experimental methods are not feasible. He was not disappointed by the pain of failure, but learned from it, gained experience, and stubbornly continued to follow this tortuous road that is both bitter and happy.
Although suffering is a denial of happiness, it can also lead people to happiness step by step. This is "happiness in suffering".
However, happiness is not a bitter accumulation, but a bitter summary. If you don't understand this, you will have the fallacy that "the more painful, the happier". Although suffering shows mistakes in learning, if you want to be happy, you must explore from suffering and find out the causes of suffering. The well-known parallel axiom was really born after a tortuous road. When I first came out, people were suspicious. Many scientists and scholars devote their whole lives to the proof of parallel axioms, but all they get is failure. After centuries and seven years' argumentation, a scientist came to the conclusion that the parallel axiom cannot be proved, thus creating a world-famous new discipline-non-Euclidean geometry. This scientist is respected and loved by people all over the world. Then, why are all other scholars suffering (failing) except this scientist? The reason is that they didn't learn the correct lesson from the failure (bitterness), while the scientist succeeded (joy) because he was good at summing up the failure scientifically and finally found the way to success. Therefore, happiness is not a simple accumulation of suffering. Only by summing up the bitterness can we finally taste the sweetness of success and enjoy the joy.
1. The first paragraph says, "The more bitter it is, the more sweet it will be in the end.". Is there a contradiction with the statement in the third paragraph that "the more painful, the happier"? Why?
A: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
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2. The case of Edison in front and the case of the scientist who created non-Euclidean geometry in the back are all scientific research. Can these two situations be reversed? Why?
A: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
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3. Paragraph (2) serves the purpose of _ _ _ _ _ _ _ _ _ _ The argument of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _