Srila Prabhupada letter to Rayarama, Oct. 22, 1971
My Dear Rayarama,
Please accept my blessings. I am in due receipt of your letter dated 11th October 1971 and have noted the contents. I welcome you for your coming back to our society and you are feeling very nicely the association of devotees.
Srila Rupa Goswami has described that devotional service can be advanced by six processes. Perhaps you know them. They are as follows: enthusiasm, patience, conviction, following the regulative principle