Sri Brahma-Samhita

References to text BS 5.1
BS 5.1: Kṛṣṇa who is known as Govinda is the Supreme Godhead. He has an eternal blissful spiritual body. He is the origin of all. He has no other origin and He is the prime cause of all causes.

Text
Śāṇḍilya says that bhakti results from one''s removing all obstructions to taking pleasure in the Supreme Self.
Narada Bhakti Sutra
NBS 18