He took up a number of public causes. In 1761, a Protestant merchant Jean Calas, was accused of murdering his son and sentenced by the judges of Toulouse to be tortured and then broken on the wheel.

他参与了多项公共事业。 1761 年，一位新教商人让·卡拉斯 (Jean Calas) 被指控谋杀了他的儿子，并被图卢兹的法官判处酷刑，然后被摔在车轮上。