Humans are stronger than other animals because they have intelligence. Human intelligence is fostered by knowledge. Without knowledge, human intelligence has no power. Therefore, discussing the role of knowledge, Lenin once said: “Knowledge is power. Whoever has knowledge has power." Knowledge is something we learn through books, theory, and practice, from teachers, parents, and all things related to reality. Knowledge always has two forms, hidden and revealed. All or most of us humans have a form of knowledge that is visible - hidden. Strength is what affects us, and it is always hidden within us at the highest level. The saying "Who has the knowledge, he has power" means that this is for those who know, have a lot of knowledge and experience in life. Our history has painted red pages when winning against the world's most powerful powers, thanks to the wise knowledge of military, politics, and diplomacy of our forefathers. Today we have access to state-of-the-art equipment thanks to the knowledge of scientists who have been tinkering with it. You yourself have to equip yourself with knowledge, if you have it, you have power. With knowledge, you can be confident in your work, in communication, and in many fields. With it, you can also solve everything yourself properly, nothing wrong. That makes you even more respected. Without knowledge, it is an incalculable danger. Society will not develop, the country will go down and people will fall further and further back. Realizing the importance of knowledge,

The Covid-19 epidemic up to this point has significantly affected the life of our country, causing significant consequences, although statistics cannot be calculated by numbers. However, from a positive perspective, this epidemic can affect some aspects of individuals, families, and even communities. This may be an aspect of the phenomenon of "the difficult emerges of wisdom" but also a form of self-adaptation in particular circumstances. First of all, in economic terms, the Covid-19 epidemic has caused damage that cannot be remedied in a short time. But this epidemic has shown quite clearly the limitations and even defects of the economy. For example, in agricultural production, regional planning has not been promoted, but it is still following the movement, paying little attention to comparative advantages; Knowing that it is dependent on output from the Chinese side, the remedial measures have not been paid enough attention, leading to constant "rescue". Or in processing, the word "rescue" has suggested to some people to produce new products, associated with agricultural production and processing, but dragon fruit bread, dragon fruit rice paper, watermelon vermicelli ... are featured products. The need to reorganize production and business, pay more attention to risk management... are also interested and implemented by many businesses. Even in macroeconomic management, there are certainly impacts for a more appropriate adjustment in the coming time. In social life, many activities and habits have been adjusted in a more positive direction. As in education, with the traditional way of teaching and learning, a part of teachers, students, and students have a passive, repetitive, one-way mentality, but having to take a long break from school, many schools have organized teaching and online learning. This is an opportunity for both teachers and learners to adjust and innovate. Teachers cannot use a lesson plan to teach many classes, cannot only teach but pay little attention to learners' feedback and absorption, because online teaching forces teachers and students to work more, must be more active and positive, if you want really good learning results. Or the extension of the study time is too long, forcing the education sector to have flexible calculations to ensure the safety of students without breaking the goals of the school year.

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