There is a phrase you will hear in almost every European debate about Muslims. They must accept European values.
It sounds reasonable. It is meant to sound reasonable. I hear it from politicians and commentators, and from people I respect, some of whom I like. And what I hear, underneath the reasonable surface, is a family tree.
In 1735 Carl Linnaeus, the Swedish naturalist who gave us the modern system of biological classification, divided Homo sapiens into four varieties. He gave each one a colour, a temperament and a way of being governed. Europaeus was white and governed by law. Americanus was governed by custom. Asiaticus by opinion. Afer, the African, by caprice.
Linnaeus was not a fanatic. He was a scientist applying his method to people as he applied it to plants. That is exactly the problem. The method could not meet human difference without ranking it, and it presented the ranking as observation.
Sixty years later Johann Blumenbach refined the four into five and coined the word "Caucasian", because he judged skulls from the Caucasus the most beautiful and therefore the original. Every other race was a degeneration from it. Half a century after that, Arthur de Gobineau argued that race drove the rise and fall of civilisations, and that mixing produced decay.
Each stage claimed to be more rigorous than the last. Each did the same job: sort humanity into a hierarchy with Europeans at the top. The line runs from Spain's blood purity statutes through the naturalists to the Nuremberg Laws.
After 1945 the vocabulary became unusable. The Holocaust and decolonisation discredited open talk of racial rank. But the hierarchy was not dismantled. It was translated.
Race became civilisation. Blood became culture. Biology became values. And the new criteria kept tracking the old lines with a precision too consistent to be coincidence.
So listen again to the phrase. It assumes European values are universal. It assumes other values are lesser. It assumes the speaker has the authority to define the values and to judge who has passed. And it implies that anyone who fails has proved an inferiority that was assigned centuries before they arrived.
The person saying it has almost certainly never read Linnaeus or Blumenbach, and would be appalled to be placed in their company. I believe them. That is not a defence. It is the whole point.
The speaker does not hear the genealogy. The speaker hears common sense.
A classification system is at its most powerful when the people running it do not know it exists. Nobody has to believe in racial science for its conclusions to keep working. They only have to inherit them, and call the inheritance values.
The machine did not retire its technology after the war. It upgraded it, and gave it a vocabulary that decent people could use.