An irrefutable proof that such single-celled primaeval animals really existed as the direct ancestors of Man, is furnished according to the fundamental law of biogeny by the fact that the human egg is nothing more than a simple cell.
Ontogeny re-capitulates phylogeny. - Ernst Haeckel
Ontogeny re-capitulates phylogeny.
- Ernst Haeckel
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
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.
By ecology we understand the total science of the connections of the organism to the surrounding external world. - Ernst Haeckel
By ecology we understand the total science of the connections of the organism to the surrounding external world.
Man is not above nature, but in nature. - Ernst Haeckel
Man is not above nature, but in nature.
Mental differences between the lowest men and the animals are less than those between the lowest and the highest man. - Ernst Haeckel
Mental differences between the lowest men and the animals are less than those between the lowest and the highest man.
The whole of organic nature on our planet exists only by a relentless war of all against all. ... The raging war of interests in human society is onl… - Ernst Haeckel
The whole of organic nature on our planet exists only by a relentless war of all against all. ... The raging war of interests in human society is onl…
The cell never acts; it reacts. - Ernst Haeckel
The cell never acts; it reacts.
Politics is applied biology. - Ernst Haeckel
Politics is applied biology.
As our mother-earth is a mere speck in the sunbeam in the illimitable universe, so man himself is but a tiny grain of protoplasm in the perishable fr… - Ernst Haeckel
As our mother-earth is a mere speck in the sunbeam in the illimitable universe, so man himself is but a tiny grain of protoplasm in the perishable fr…
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