A memoire is a reflection on past events etched in memory. In Virtus in Arduis, Parthasarathi Shome—popularly regarded as ‘India’s Taxman’ and internationally known as a ‘Taxation Rock Star’—looks back on the course of his professional growth to bring to the interested reader an account of exceptional brilliance, integrity and perseverance, combined with a thirst for challenge, and, in simple words, to recount how ‘Partho Shome came from there to here’.