Activity Quote by Ernst Haeckel

We are compelled by reflection to recognize that God is not to be placed against the material world [as in Christianity], but must be…

— Ernst Haeckel

Civilization and the life of nations are governed by the same laws as prevail throughout nature and organic life.

— Ernst Haeckel

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…

— Ernst Haeckel

The succession of individuals, connected by reproduction and belonging to a species, makes it possible for the specific form itself to last for ages.…

— Ernst Haeckel

The cell never acts; it reacts.

— 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…

— Ernst Haeckel

Where faith commences, science ends. Both these arts of the human mind must be strictly kept apart from each other. Faith has its origin…

— Ernst Haeckel

The nucleus has to take care of the inheritance of the heritable characters, while the surrounding cytoplasm is concerned with accommodation or adaptation to…

— 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…

— Ernst Haeckel

By ecology we understand the total science of the connections of the organism to the surrounding external world.

— Ernst Haeckel

Both of these branches of evolutionary science, are, in my opinion, in the closest causal connection; this arises from the reciprocal action of the…

— Ernst Haeckel

In the course of individual development, inherited characters appear, in general, earlier than adaptive ones, and the earlier a certain character appears in ontogeny,…

— Ernst Haeckel