关于费希特在柏林时期的知识学体系有没有演变,向来就有争议。黑格尔认为费希特的思辨哲学只有在他早期的著作里才有,而把他1800年定居柏林以后的著作统称为通俗哲学。(《哲学史演讲录》,第4卷,北京1995年,第309页)与此相反,谢林则指出,柏林时期的知识学体系是得到改进的费希特学说,而这种改进的关键在于,这 There has always been controversy over the evolution of Fichte’s knowledge system in Berlin. Hegel considered Fichte’s speculative philosophy only in his early writings, and his works since 1800 in Berlin are collectively referred to as popular philosophy. (Philosophical history lecture, vol. 4, Beijing 1995, p. 309) On the contrary, Schelling pointed out that the knowledge system in Berlin was an improved Fichte theory, and the key to such improvement That is, this