The moral rights are inalienable, perpetual and inviolable. Rist was hereditary, inalienable, and inviolable. Arawakan languages tend to distinguish alienable and inalienable possession. The affixed possession paradigm for inalienable and alienable possessives can be derived. The distinction between alienable and inalienable possessions can be influenced by cognitive factors. It changed to forms based on Enlightenment principles of citizenship and inalienable rights. The idea of inalienable and universal liberties had to wait until the Age of Enlightenment. Rights are often spoken of as inalienable and sometimes even absolute. Inalienable possession constructions often lack overt possessors. In the Rapa Nui language, there are alienable and inalienable possession. A and O possession refer to alienable and inalienable possession in Rapa Nui. In 1791, a Bill of Rights was added to guarantee inalienable rights. "a" marks for alienable possession and "o" marks for inalienable possession. He was a champion of inalienable individual rights and the separation of church and state. The National Trust Acts grant the trust the unique statutory power to declare land inalienable.