The state of slavery is of such a nature, that it is incapable of being introduced on… — William Murray, Lord Mansfield

The state of slavery is of such a nature, that it is incapable of being introduced on any reasons, moral or political, but only positive law, which preserves its force long after the reasons, occasion, and time itself from whence it was created, is erased from memory. It is so odious, that nothing can be suffered to support it, but positive law.