There is no problem-free country on the development path of the country. If the problem is not seditious and no targeted preventive measures are taken, the contradictions will accumulate and the "energy reserve" of the problem will increase. It is getting bigger, and once it breaks out, it is catastrophic. What does this passage mean? ['The importance of solving social problems for national development.', 'National development is a process of continuous problem discovery and resolution.', 'Take effective precautions to prevent the outbreak of problems.', 'Strengthening the active guidance and resolution of the psychological emotions of the masses.']