Yoga these principles developed in various forms over time: White clarifies that the last principle relates to legendary goals of "yogi practice", different from practical goals of "yoga practice," as they are viewed in South Asian thought and practice since the beginning of the Common Era, in the various Hindu, Buddhist, and Jain philosophical schools. Yoga is practised with a variety of methods, including by Jains and Buddhists. In Hinduism, practices include Jnana Yoga, Bhakti Yoga, Karma Yoga, Laya Yoga and Hatha Yoga. Raja yoga originally denoted the ultimate goal of yoga, "samadhi", but was popularised by Vivekananda as the common
Bhakti movement concept of the Ultimate Reality as formless, without attributes or quality. "Saguna" Brahman, in contrast, was envisioned and developed as with form, attributes and quality. The two had parallels in the ancient pantheistic unmanifest and theistic manifest traditions, respectively, and traceable to Arjuna-Krishna dialogue in the Bhagavad Gita. It is the same Brahman, but viewed from two perspectives, one from "Nirguni" knowledge-focus and other from "Saguni" love-focus, united as Krishna in the Gita. "Nirguna" bhakta's poetry were "Jnana-shrayi", or had roots in knowledge. "Saguna" bhakta's poetry were "Prema-shrayi", or with roots in love. In Bhakti, the emphasis is reciprocal love