The second Chapter of Patanjali’s Yoga Sutras - contains instructions for our Practice - Sadhana Pada.


Sentence 24

tasya hetur-avidya ||24||

तस्य हेतुरविद्या ॥२४॥

tasya hetur-avidyā ॥24॥

The root cause of identification with the mutable is a lack of insight (avidya). ||24||

tasya = (g. sg. n./g. sg. m. from tad) whose
hetuḥ = (nom. sg. m. from hetu) cause
avidyā = (nom. sg. f.) ignorance; confusion; lack of insight