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Examples or famous sayings that illustrate the truth of knowledge through practice

Dialectical materialism believes that practice is the only criterion for testing the truth of knowledge. This can be understood from the following three aspects: (1) Whether a knowledge is truth cannot be determined by the knowledge itself. answer. To test whether a kind of knowledge correctly reflects objective things, we must go beyond the scope of knowledge and look for standards from outside the knowledge to judge whether the knowledge is consistent with objective things. (2) Objective things themselves cannot answer whether knowledge reflects it correctly. (3) Neither subjective knowledge nor objective things themselves can be used as standards for judging truth. Only by comparing and contrasting the subjective and objective can we test whether subjective knowledge is consistent with objective things. The only thing that can satisfy this requirement is practice at the intersection of subjectivity and objectivity. Through practice, people can turn the concepts in their minds into reality. In this process, people compare the understanding that guides their practice with the results produced by practice, thereby testing whether the understanding correctly reflects objective things. At this point, we can naturally draw a conclusion: practice is the only criterion for testing the truth of knowledge. The famous sayings of Engels and Lenin quoted here in the textbook also illustrate this truth. The textbook "Related Links" cites Copernicus's solar system theory to demonstrate that practice is the only criterion for testing the truth of knowledge. Today, the reason why we say Copernicus' solar system theory is the truth is because it has undergone Leveret science. Proof of experiment (one of the basic forms of practice). This column once again uses examples to emphasize that practice is the only criterion for testing the truth of knowledge, and at the same time inspires us to study hard and test and confirm a series of scientific hypotheses in the future.

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