Ernst Heinrich Philipp August Haeckel (16 February 1834 – 9 August 1919) was a German biologist, naturalist, philosopher, physician, professor, marine biologist, and artist.
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.
Man is not above nature, but in nature. Ernst Haeckel
Man is not above nature, but in nature.
There is no doubt that the course and character of the feared “European War” will become the first world war in the full sense of the word. Ernst Haeckel
There is no doubt that the course and character of the feared “European War” will become the first world war in the full sense of the word.
The whole of organic nature on our planet exists only by a relentless war of all against all. Ernst Haeckel
The whole of organic nature on our planet exists only by a relentless war of all against all.
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.
Man is not distinguished from [the animals] by a special kind of soul, or by any peculiar and exclusive psychic function, but only by a higher degree of psychic activity, a superior stage of development. Ernst Haeckel
Man is not distinguished from [the animals] by a special kind of soul, or by any peculiar and exclusive psychic function, but only by a higher degree of psychic activity, a superior stage of development.
Science has to pluck the blessed fruits from the tree of knowledge, unconcerned whether these conquests trench upon the poetical imaginings of faith or not. Ernst Haeckel
Science has to pluck the blessed fruits from the tree of knowledge, unconcerned whether these conquests trench upon the poetical imaginings of faith or not.
Where faith commences, science ends. Both these arts of the human mind must be strictly kept apart from each other. Ernst Haeckel
Where faith commences, science ends. Both these arts of the human mind must be strictly kept apart from each other.
Ontogeny re-capitulates phylogeny. Ernst Haeckel
Ontogeny re-capitulates phylogeny.
Politics is applied biology Ernst Haeckel
Politics is applied biology
The raging war of interests in human society is only a feeble picture of an unceasing and terrible war of existence which reigns throughout the whole of the living world. Ernst Haeckel
The raging war of interests in human society is only a feeble picture of an unceasing and terrible war of existence which reigns throughout the whole of the living 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.
