kṛṣṇa-bhakti - devotional service to Lord Kṛṣṇa; haya - is; abhidheya-pradhāna - the chief function of the living entity; bhakti-mukha - of the face of devotional service; nirīkṣaka - observers; karma-yoga-jñāna - fruitive activities, mystic yoga and speculative knowledge.

“Devotional service to Kṛṣṇa is the chief function of the living entity. There are different methods for the liberation of the conditioned soul — karma, jñāna, yoga and bhakti — but all the others are dependent on bhakti.