All Ernst Haeckel Quotes
- 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… According
- 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.… Astonishing
- 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… All
- The succession of individuals, connected by reproduction and belonging to a species, makes it possible for the specific form itself to last for ages. In… Age
- In the course of individual development, inherited characters appear, in general, earlier than adaptive ones, and the earlier a certain character appears in ontogeny, the… Acquired
- 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… Accommodation
- Where faith commences, science ends. Both these arts of the human mind must be strictly kept apart from each other. Faith has its origin in… Apart
- 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… Apart
- Both of these branches of evolutionary science, are, in my opinion, in the closest causal connection; this arises from the reciprocal action of the laws… Action
- 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… Character
- Ontogeny re-capitulates phylogeny. Capitulates
- Civilization and the life of nations are governed by the same laws as prevail throughout nature and organic life. Civilization
- Man is not above nature, but in nature. Funny
- By ecology we understand the total science of the connections of the organism to the surrounding external world. Connections
- 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… Activity
- Among the Spartans all newly born children were subject to a careful examination or selection. All those that were weak, sickly, or affected with any… Affected
- The whole of organic nature on our planet exists only by a relentless war of all against all. ... The raging war of interests in… All
- We are compelled by reflection to recognize that God is not to be placed against the material world [as in Christianity], but must be placed… All
- Mental differences between the lowest men and the animals are less than those between the lowest and the highest man. Animal
- The real cause of personal existence is not the favor of the Almighty, but the sexual love of one's earthly parents. Almighty
- The cell never acts; it reacts. Acts
- Phylogeny and ontogeny are, therefore, the two coordinated branches of morphology. Phylogeny is the developmental history [Entwickelungsgeschichte] of the abstract, genealogical individual; ontogeny, on the… Abstract
- Politics is applied biology. Applied