“Civilisation and the life of nations are governed by the same laws as prevail throughout nature and organic life.”
― Ernst Haeckel (1834-1919)
“It is, however, a most astonishing but incontestable fact, that the history of the evolution of man as yet constitutes no part of general education. Indeed, our so-called 'educated classes' are to this day in total ignorance of the most important circumstances and the most remarkable phenomena which Anthropogeny has brought to light.”
― Ernst Haeckel (1834-1919)
"Nothing is constant but change! All existence is a perpetual flux of "being and becoming!" That is the broad lesson of the evolution of the world."
― Ernst Haeckel (1834-1919)
"Man is not above nature, but in nature."
― Ernst Haeckel (1834-1919)
"By ecology we understand the total science of the connections of the organism to the surrounding external world."
― Ernst Haeckel (1834-1919)
"The cell never acts; it reacts."
― Ernst Haeckel (1834-1919)
"The nucleus has to take care of the inheritance of the heritable characters, while the surrounding cytoplasm is concerned with accommodation or adaptation to the environment."
― Ernst Haeckel (1834-1919)