He did so well with his knowledge of maritime law that, when he decided to join the Society of Jesus on 23 September 1897, he was the director of a successful shipping insurance company.

[citation needed] As the new archbishop, Perier was "a firm believer in an Indian clergy and in the papal policy as outlined in Pope Benedict XV’s encyclical on the missions," Maximum illud (Latin, "The Greatest Thing").

[2] After his retirement, Perier remained in Calcutta from 1960 to 1962, with his own room at his former residence, the "Archbishop’s House" at 30 Park Street, and then moved to Kurseong for three more years, from 1962 to 1965.

Hombre muy devoto, asceta y enérgico, paciente y dueño de sí, amó la liturgia y a los pobres y, siempre disponsible y amable, fue verdaderamente un obispo del pueblo."

[Spanish, "His episcopal motto, In omnibus quaeram Deum [Latin, "In everything, ask God"], guided his life as a Jesuit and missionary.

Devout, ascetic and energetic man, patient and self-possessed, he loved the liturgy and the poor and, always friendly and available, he was truly a bishop of the town."]