[113]CHAPTER VIII. WITNESSES.All punishment is unjust that is unnecessary to the maintenance of public safety.Count Pietro Verri was the son of Gabriel, who was distinguished alike for his legal knowledge and high position in Milan. At the house of Pietro, Beccaria and the other friends used to meet for the discussion and study of political and social questions. Alessandro, the younger brother of Pietro, held the office of Protector of Prisoners, an office which consisted in visiting the prisons, listening to the grievances of the inmates, and discovering, if possible, reasons for their defence or for mercy. The distressing sights he[10] was witness of in this capacity are said to have had the most marked effect upon him; and there is no doubt that this fact caused the attention of the friends to be so much directed to the state of the penal laws. It is believed to have been at the instigation of the two brothers that Beccaria undertook the work which was destined to make his name so famous.