Bhagavad Gita, Chapter 4, Verse 38

न हि ज्ञानेन सदृशं पवित्रमिह विद्यते । तत्स्वयं योगसंसिद्धः कालेनात्मनि विन्दति

na hi jñānena sadṛśaṃ pavitramiha vidyate | tatsvayaṃ yogasaṃsiddhaḥ kālenātmani vindati

Translation

Verily, there exists here no purifier equal to wisdom. He who is perfected by Yoga finds it in time in himself by himself.

— Alladi Mahadeva Sastri

Word meanings

na hi
not (verily)
jñānena
by (to) wisdom
sadṛśam
similar
pavitram
purifier
iha
here
vidyate
is
tat
that
svayam
itself
yogasaṃsiddhaḥ
in yoga, perfected
kālena
by (in) time
ātmani
in the self
vindati
finds

Śaṅkarācārya's commentary

The seeker of mokṣa who has perfected and regenerated himself by Yoga — by Karma-Yoga and by Samādhi-Yoga — will after a long practice himself find spiritual wisdom in himself.