A Brahmin was a Brahmin not by mere birth, but because he discharged the duty of preserving the spiritual and intellectual elevation of the race, and he had to cultivate the spiritual temperament and acquire the spiritual training which could alone qualify him for the task.

Ghose, A., Nahar, S., & Institut de recherches évolutives. (2000). India's rebirth: A selection from Sri Aurobindo's writing, talks and speeches. Paris: Institut de recherches évolutives, also quoted in Elst, Koenraad (2002). Who is a Hindu?: Hindu revivalist views of Animism, Buddhism, Sikhism, and other offshoots of Hinduism. ISBN 978-8185990743