Chapter 4 – JnanaYoga
Shloka 42 – Conclusion
chittvainaṁ saṁśayaṁ yogam
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Therefore, the ajnaana(doubts) which has arisen in your heart out of ignorance, slay(chittaivah) this doubt by the weapon(aasina) of jnana(knowledge), by being situated(aathishta) in yoga, and stand up(uttishtah)(fight), O descendant of Bharata!
Situated in yoga and acting in knowledge will not bind one in karma. Now Lord is asking Arjuna to do the same, slay his doubts which have arisen out of ignorance and get up and fight in yoga(as your duty, as a service to me), then you will not be bound by your actions.
This concludes fourth chapter – Jnana Yoga.
Jnana Yoga Conclusion
In this chapter Lord Krishna starts with how this knowledge has been passed on from Him to Surya and then to the mankind. He tells about nature of soul, reincarnation, reason for his birth, and how his birth is divine compared to others. He talks about demigods giving material results quickly, the four varnas created by him according to the gunas. Then he tells one should drop desire, doership, not working for the sake of karma-phala(results), by pursuing knowledge.
Then he talks about different kinds of yajna, prescribed in the Vedas, one can perform based on their inkling(according to their gunas). Through these yajnas which are born out of karma(actions), one gets purified. Then one can approach a spiritual master, and by doing their seva, and asking right questions to get clarity, one can get knowledge from them. This knowledge will not let one get back to their previous state of moha. This jnaana(knowledge) will help one get out of miseries, even if they are considered to be most sinful of all sinners. One should be dedicated in acquiring knowledge and shouldn’t have any doubts regarding this knowledge.