Ernst Haeckel

The lower races are nearer to the apes than to the civilized Europeans.

The struggle for existence is the primary cause of all progress in the organic world.

Eugenics is a necessary measure for the improvement of the human race.

The state should eliminate individuals who are a burden to society, such as the incurably ill and the mentally deficient.

Monism is the only rational worldview.

The entire universe, including man, is a single, continuous, and eternal substance.

There is no fundamental difference between the 'soul' of man and the 'soul' of animals.

The 'beauty' of nature is a purely subjective human perception.

The 'purpose' of life is simply to exist and reproduce.

The 'moral law' is a product of social evolution, not divine revelation.

The 'miracles' of religion are nothing but natural phenomena misunderstood.

The 'creation' story in the Bible is a primitive myth.

The 'design' in nature is a result of natural selection, not a divine creator.

The 'tree of life' illustrates the common ancestry of all living things.

The 'gaps' in the fossil record do not disprove evolution, but rather highlight the incompleteness of our knowledge.

The 'struggle for existence' applies to human societies as well as to the natural world.

The 'survival of the fittest' is a fundamental law of nature.

The 'inferior races' are destined to be replaced by the 'superior races'.

The 'Aryan race' is the most highly evolved and intelligent race.

The 'sexual selection' plays a significant role in human evolution.