Prabhupāda: Hare Kṛṣṇa. So we have published our Nectar of Devotion. So every one of you should read this Nectar of Devotion repeatedly. The whole substance of Vaiṣṇava philosophy and activities, everything is there. So every one of you read this Nectar of Devotion once, twice, thrice. Unless you have got full-fledged ideas what is this devotional service... That was written by... Actually, it was spoken by Lord Caitanya to Rūpa Gosvāmī. For ten days continually He instructed Rūpa Gosvāmī at Prayāga, Daśāśvamedha-ghāṭa.