Bhaktivedanta VedaBase: Nārada Bhakti Sūtra. Introduction. Chapter 1: The Value of Devotion. Chapter 2: Defining Bhakti. Chapter 3: The Means of Achievement. Chapter 4: Pure and Mixed Devotion, Definition, Meaning: sūtra A sutra is a sacred text or scripture in Hinduism, Buddhism, and Jainism that contains teachings, aphorisms, or rules for spiritual practice. Sutras are typically written in concise and poetic language to convey profound spiritual truths in a condensed form. , , , , .