Lu Xun said: In any case, if you persist in collecting materials for ten years, you can always become an argumentative scholar.

The first sentence focuses on the persistence of accumulation, the second on the value of accumulation, and the third on the extensiveness of accumulation. Focus on accumulation, and then divide it into three aspects. Taking culture as an example, the development of culture needs time to accumulate, and it needs to be refined and refined constantly in the process of development, and learn from the outstanding achievements of all parties.