Produce[3-376] the truth through practice, and again through practice verify and develop the truth. Start from perceptual knowledge and actively develop it into rational knowledge; then start from rational knowledge and actively guide revolutionary prctice to change both the subjective and the objective world. Practice, knowledge, again practice, and again knowledge. This form develops[3-377] in endless cycles, and with each cycle the content of practice and knowledge rises to a higher level. Such is the whole of the dialectical-materialist theory of knowledge, and such is the dialectical-materialist theory of the unity of knowing and doing.
Source: Takeuchi Minoru (ed.),
[p. 240] This law is the basic law of dialectics. Lenin said: “Dialectics in the proper sense is the study of contradictions in the very essence of objects.” Therefore, Lenin often called this law the essence of dialectics; he also called it the kernel of dialectics. Because of this, in our study of dialectics, discussion should commence from this problem, and moreover should receive somewhat closer attention than other problems.
This question includes many problems, and these are:
The two views of development;
the law of identity in formal logic and the law of contradiction in dialectics;
the universality of contradiction; the particularity of contradiction;
the principal contradiction and the principal aspect of a contradiction;
the identity and struggle of a contradiction;[4-378]the place of antagonism in contradiction.[4-379]
These problems will be explained in sequence below.
Throughout the history of human thought
Another name for metaphysics is
With the arrival of the present era, namely the nineteenth and twentieth centuries, because of the results of the class struggle and the development of science, dialectical thought rapidly strode onto the world stage. But metaphysics, in the form also of vulgar evolutionism (vulgar, that is superficial, simple), stubbornly opposed dialectics.