Jnana yoga knowledge of a Vishnu avatar or Shiva or Shakti (Goddess) that is emphasized. In all its various interpretations, the paths are not necessarily mutually exclusive. A "Jnana yogi" may also practice "Karma yoga" or "Bhakti yoga" or both, and differing levels of emphasis. According to Robert Roeser, the precepts of "Jnana yoga" in Hinduism were likely systematized by about 500 BCE, earlier than "Karma yoga" and "Bhakti yoga". In the Bhagavad Gita, "jnana yoga" is also referred to as "buddhi yoga" and its goal is self-realization. The text considers "jnana marga" as the most difficult, slow, confusing for those who
Hinduism karma, cows and caste"; and Bhakti or devotional Hinduism, where intense emotions are elaborately incorporated in the pursuit of the spiritual. Michaels distinguishes three Hindu religions and four forms of Hindu religiosity. The three Hindu religions are "Brahmanic-Sanskritic Hinduism", "folk religions and tribal religions", and "founded religions. The four forms of Hindu religiosity are the classical "karma-marga", jnana-marga, bhakti-marga, and "heroism", which is rooted in militaristic traditions, such as Ramaism and parts of political Hinduism. This is also called virya-marga. According to Michaels, one out of nine Hindu belongs by birth to one or both of the Brahmanic-Sanskritic Hinduism and