Ernst Haeckel
Coined ecology, phylogeny; mapped evolutionary trees
Quotes by Ernst Haeckel
The cell is the elementary form of life, the real organic unit.
The descent of man from lower animal forms is no longer a hypothesis, but an historical fact.
The monera are the simplest and most primitive of all organisms.
The struggle for existence is the fundamental principle of organic development.
The history of the earth is the history of life.
The human soul is a natural phenomenon, and as such it is subject to the laws of nature.
The unity of organic and inorganic nature is the greatest and most important revelation of modern science.
The aim of science is the knowledge of the truth, the aim of art is the representation of beauty.
The theory of evolution is the most important scientific theory of the 19th century.
The cell is a person, and the person is a cell state.
The beauty of nature is the source of all art and science.
The monistic view of the universe recognizes no supernatural creation.
The belief in a personal God is incompatible with a scientific worldview.
The highest aim of human culture is the perfect harmony of the true, the good, and the beautiful.
The evolution of the human mind is the highest stage of organic development.
The natural system of organisms is their phylogenetic family tree.
The universe is an eternal, infinite, and unified substance.
The origin of life is the origin of the cell.
The progress of science is the progress of human freedom.
The true, the good, and the beautiful are the three great ideals of humanity.