Jnana Yoga

The knowledge in question is not a quantity of information and is not a belief that has been justified. It is viveka, discrimination: the sustained ability to tell what is permanent from what is not, and to stop treating the impermanent part as oneself. A person can accept the doctrine completely and have no jnana at all, which is why the tradition treats the path as difficult rather than merely intellectual.

Vedanta sets out four qualifications a student is expected to bring before beginning, and they are demanding. The first is that discrimination between the eternal and the transient. The second is dispassion, vairagya, an absence of appetite for the results of action here or hereafter. The third is a group of six, comprising calm of mind, restraint of the senses, withdrawal from what distracts, endurance, faith in the teaching and the teacher, and one-pointed settled attention. The fourth is mumukshutva, an urgent desire for liberation strong enough to outweigh everything else.

The list is not a bureaucratic hurdle. Its function is to explain why the path is described as direct and demanding at once: the discrimination itself is simple to state, and holding it steadily against a lifetime of habit is not something an unprepared mind can do. That is also why the tradition places the other paths alongside it rather than beneath it, as ways of acquiring exactly these qualifications.

The method has three stages and they are always given in order. Shravana is hearing the teaching from a teacher who stands in a line of teaching, which the tradition regards as necessary rather than optional, since the great sentences of the Upanishads are held to do their work when they are received rather than when they are worked out privately. Manana is reasoning on what has been heard until the objections are answered and no doubt remains at the level of argument. Nididhyasana is sustained dwelling on the conclusion until it stops being a conclusion and becomes the way things are seen.

The characteristic instrument is negation. Neti neti, not this, not this, is applied to everything a person might take themselves to be, the body, the breath, the mind, the sense of agency, until what cannot be set aside as an object is what remains.

Shankara school holds that knowledge alone liberates and that action, however scrupulous, cannot, because action produces results and liberation is not a result. The other paths are preparatory on that reading. Other Vedanta schools disagree and give devotion the final place. The modern scheme in which karma, bhakti, raja and jnana are four parallel yogas suited to four temperaments comes from Vivekananda in the nineteenth century and is a systematisation rather than a classical arrangement. Jnana here should also not be confused with the Jain kevala jnana, which names a state attained rather than a method of attaining it.