“Gandhi (1935) in response to a call by Dr. Ambedkar for mass conversions among the depressed classes. Quoted from Sri Aurobindo, ., Nahar, S., Aurobindo, ., & Institut de recherches évolutives (Paris). India's rebirth: A selection from Sri Aurobindo's writing, talks and speeches. Paris: Institut de Recherches Evolutives. 3rd Edition (2000).”

Source: Wikiquote