? At that time, when I was reading Epicurus's Theory of Atomic Deflection beyond democritus, I didn't understand such a meaning: the linear motion of atoms-the collision and repulsion of many atoms, is the law of negation of negation. Although I realized at that time that the atom deviated from the straight line and promoted the collision of many atoms, I didn't realize that it was driven by the contradiction within the atom and the contradiction between concept and existence, which broke the blind inevitability of atoms and made many collisions of atoms possible.
? It is also because I was too eager to find the point of convergence between the doctoral thesis and the theme of the thesis, and I didn't finish my doctoral thesis seriously, and I didn't know Marx's emphasis on the individuality of self-awareness and perceptual experience at all.