Dialectics Engels

It is the central part of modern Dialectics - the soul of all knowledge which is truly scientific - as taught by Hegel Encyclopaedia of the philosophical scienceSi 1830) and Engels [Dialectics of nature, 1879). And, to go back in time even further, combined opposites - Yin and Yang - are central to old Chinese philosophy and ancient popular wisdom. 

Engels, F. c. 1880. Dialectic of Nature. (Translated and edited by C.D. Dutt, 1940.) International Publishers, New York. 

Of this Engels notes Is this not a splendid material proof of the way in which the determinations of thought are resolved into one another All of nature, like history, is dialectical, and dialectics is the intellectual mode of appreciating this. Furthermore, Engels researches into comparative physiology provided him with... 

In 1939 Haldane wrote in the preface to the first English edition of Engels Dialectic of Nature ... 

Engels, Friedrich (1820-1895) Founder, along with Karl Marx (1818-1883) of the dialectical materialism, the philosophy which is not merely a philosophy of history, but a philosophy which illuminates all events whatever, from the falling of a stone to a poet s imaginings (from the preface to Dialectics of Nature, written by J. B. S. Haldane in 1939). 

Engels Friedrich. Dialectics of Nature. Dialectics, New York, Intern, publ., p. 33. 

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