न हि ज्ञानेन सदृशं पवित्रमिह विद्यते |\nतत्स्वयं योगसंसिद्धः कालेनात्मनि विन्दति ||४-३८||
na hi jñānena sadṛśaṃ pavitramiha vidyate .\ntatsvayaṃ yogasaṃsiddhaḥ kālenātmani vindati ||4-38||
In this world, there is nothing as purifying as divine knowledge. One who has attained purity of mind through prolonged practice of Yog, receives such knowledge within the heart, in due course of time.