Read Bhagavad-gita As It Is very carefully, and we are going to hold an examination next year in January upon this book. I hope that you will be enough expert in this Krishna Consciousness science to pass the examination and be awarded with the title of "Bhakti-sastri'', one who knows the principles of devotional service.
Letter to Kanupriya das Brahmacari, 15 January, 1969