A City Guide To Zhongshan for 31 168 thinking politics Here Mill captures the core of negative liberty. The principle of negative liberty might be grounded, as A.V. Dicey later suggested, on the notion that every person is in the main and as a general rule the best judge of his own happiness. Hence legislation should aim at the removal of all those restrictions on the free action of an individual which are not necessary for securing the like freedom on the part of his neighbors.32 The only justification for constraining an individual is that he is inflicting some harm or deprivation on others. In all other matters, freedom ought to prevail. A City Guide To Zhongshan 2016.