Ernst Haeckel
Ernst Haeckel

Politics is applied biology.

Ernst Haeckel
Ernst Haeckel

The real cause of personal existence is not the favor of the Almighty, but the sexual love of one's earthly parents.

Ernst Haeckel
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 laws of heredity and adaptation.