Original sentence: It contains views on dharma (moral conduct), jnana (understanding of the nature of the self), vairagya (detachment from material pleasure), and bhakti (pure, selfless devotion to God), the four essentials Hindu scriptures describe as necessary for a jiva or soul to attain salvation
Edited sentence: It contains views on dharma (moral conduct), jnana (understanding of the nature of the self), vairagya (detachment from material pleasure), and bhakti (pure, selfless devotion to God) - the four essentials for a jiva (soul) to attain salvation