We already know very well that there are four seed verses from which the entire Bhagavatam is said to have grown. The Gītā also has its four essential verses , or seven essential verses . I posted those, but did not make much commentary on them, as this can be found easily. On the other hand, I thought my series on the five principal verses of Gita Govinda was very important. Prior to that, I had already pointed out somewhere that there are four key verses to the Bhakti-rasāmṛta-sindhu, but I had never posted or commented on these on this blog. The four verses come in the beginning of the second sector of the BRS, where Rupa Goswamipad is going to explain the various ingredients of rasa, using the categories of the rasa-śāstra . There are five chapters in all, on the vibhāvas, anubhāvas, sāttvikas, vyabhicāris and sthāyi-bhāvas . But before doing so, Rupa Goswami gives his own expanded version of the rasa-sūtra . bhakti-nirdhūta-doṣāṇāṁ prasannojjvala-cetasām śrī-bhāgavata-rak...