Dusunc?, vicdan v? ifad? azadl?g?n?n m?ns?yini faydac? bax?s bucag? il? ?l? alan v? bu azadl?g?n dair?sini mu?yy?n ed?n 19-cu ?srin basl?ca filosoflar?ndan, fikir tarixinin ?n on?mli simalar?ndan olan Con Stuart Millin "Azadl?q haqq?nda" kitab?d?r.