1628 I have made some slight modifications. I will not talk about the first half of it. The second half may seem simple, but in fact it contains a lot of information. Basically everything that needs to be explained is explained clearly. As for the countless exercises in the memory of the ancestors,
, 1626 mentioned it briefly, 1628 I won’t repeat it again, well, that’s pretty much it!!
In addition, I am afraid that I will have to postpone the final remarks until I release the new book next month. I would also like to ask everyone to help me gain some satisfaction when I finish the book!