To rest the case for equal treatment of national or racial minorities on the assumption that they do not differ from other men is implicitly to admit that factual inequality would justify unequal treatment, and the proof that some differences do, in fact, exist would not be long in forthcoming. It is of the essence of the demand for equality before the law that people should be treated alike in spite of the fact that they are different.

The Constitution of Liberty: The Definitive Edition (ed. Routledge, 2011) - ISBN: 9780415035309