What is the mental state of cadres, which affects the lives and well-being of ordinary people to a greater or lesser extent. If everyone cheers up, they will do better in all aspects of work, which may increase society's employment. Increased farmers' income; it is possible to increase the number of desks in primary and secondary schools in poor areas. What is the central point of this passage? ['The mental state of cadres directly determines the quality of life of ordinary people.', "The improvement of farmers' living standards is inseparable from the leading role of leading cadres.", 'Jobs may increase if everyone cheers up.', 'Cadre style and motivation are the leading forces for advancing the development of our various undertakings.']