31. Dialectical materialism , in contrast, a later invention, belongs to the arena of philosophy and political polemic, not to sociology.32. Among his works was a highly influential, anti-Stalinist, text on dialectics called " Dialectical Materialism " ( 1940 ). 33. This was before the formal dialectical materialism of the Communist Party, in which many independent radical intellectuals embraced Marxism. 34. Nevertheless, he considered the basic aims and principles of dialectical materialism to be in harmony with rational scientific thought. 35. In the USSR, Progress Publishers issued anthologies of dialectical materialism by Lenin, wherein he also quotes Marx and Engels: 36. And it's true; Hegelian logic and Marxist dialectical materialism have nothing to do with our names for that streetside plot. 37. The concept of dialectical materialism emerges from statements by Marx in the preface to his magnum opus, " Capital ". 38. His methodological thinking had been and still is influenced by historical and dialectical materialism , systems theory and the theory of civilisation. 39. He publicly refused to accept the gaping fissures that the dispute revealed between the study of natural science and dialectical materialism . 40. When Tong was 15 years old, he had strong beliefs in communism, which he called " Karl Marx's dialectical materialism ".