"We should persist in putting the development of the country and the nation on the basis of our own strength and firmly grasp the destiny of China's development and progress in our own hands.". It is emphasized that "the whole Party must enhance the sense of hardship, adhere to the bottom line thinking, strengthen the will to struggle, enhance the ability to struggle, use the correct strategic strategy to respond to the situation, cultivate new opportunities, open up new situations, and rely on tenacious struggle to open up a new Xintiandi for career development. The most fundamental thing is to do our own things well.". Looking back over the past century, the CPC came into being. The Chinese people's struggle for national independence, people's liberation, national prosperity and strength, and people's happiness has become the backbone, and the Chinese people have changed from passivity to initiative in spirit. Over the past century, no matter how the situation and tasks have changed, and no matter what storms and storms we have encountered, our party has always taken the historical initiative, anchored its objectives, and moved forward firmly in the right direction. Especially since the 18th National Congress of the Communist Party of China, the complexity and severity of the situation and environment faced by the party, and the arduous and arduous tasks shouldered by the party are rare in the world and history. In the past decade, the party and the state have made historic achievements and made historic changes through self-confidence, self-reliance, innovation and hard work. The party's and the army's hearts and the people's hearts have rallied and rallied unprecedentedly. The Chinese nation has ushered in a great leap from standing up, becoming rich to becoming strong. The great rejuvenation of the Chinese nation has entered an irreversible historical process, greatly enhancing the ability of the 1.4 billion Chinese people to achieve the set goals The courage and strength to go to the future. He who observes the situation is wise, and he who controls the situation wins. At present, the great changes in the world that have not been seen in a century have accelerated their evolution, and the characteristics of changes in the world, times and history are more obvious. We are soberly aware that the great rejuvenation of the Chinese nation can not be achieved easily and with the help of gongs and drums. We must be prepared to make more arduous and arduous efforts. Practice tells us that historical development has its laws, but people are not completely passive in it. As long as we grasp history