亲爱的教师们: 在这封信里,我将谈谈世界是否可认识,真理究竟有没有的问题。这个问题是和上次信里所谈的一些论点和原理紧密联系着的,所以,从理论的体系来看,应该说,它是物质和精神关系问题的另一个方面。所有唯心主义者,都韶为外简世界及其规律是不可知的,客观厦理是没有的。这泞储希的达成,是由一于他护,只 Dear teachers: In this letter, I will talk about whether the world can be recognized and whether the truth has any problems. This issue is closely linked to some of the arguments and principles discussed in the last letter. Therefore, from the theoretical system, it should be said that it is another aspect of the relationship between material and spiritual issues. All idealists are ignorant of the fact that the world and its laws are unknowable, and objective shackles are not. The agreement reached by Chu Xixi was upheld by him, only