If it be asked what is to restrain the House of Representatives from making legal discriminations in favor of themselves and a particular class of the society? I answer, the genius of the whole system, the nature of just and constitutional laws, and above all the vigilant and manly spirit which actuates the people of America, a spirit which nourishes freedom, and in return is nourished by it.

The Federalist, on the New Constitution (ed. 1802)