As a result of his famous debate with Patrick Devlin, Baron Devlin, on the role of the criminal law in enforcing moral norms, Hart wrote "Law, Liberty and Morality" (1963), which consisted of three lectures he gave at Stanford University. He also wrote "The Morality of the Criminal Law" (1965). Hart said that he believed Devlin's view of Mill's harm principle as it related to the decriminalisation of homosexuality was "perverse". He later stated that he believed the reforms to the law regarding homosexuality that followed the Wolfenden report "didn't go far enough". Despite this, Hart reported later that he got on well personally with Devlin.