BG 4.38

न हि ज्ञानेन सदृशं पवित्रमिह विद्यते। तत्स्वयं योगसंसिद्धः कालेनात्मनि विन्दति।।4.38।।

na hi jñānena sadṛiśhaṁ pavitramiha vidyate tatsvayaṁ yogasansiddhaḥ kālenātmani vindati

na—not; hi—certainly; jñānena—with divine knowledge; sadṛiśham—like; pavitram—pure; iha—in this world; vidyate—exists; tat—that; svayam—oneself; yoga—practice of yog; sansiddhaḥ—he who has attained perfection; kālena—in course of time; ātmani—wihtin the heart; vindati—finds

Translation

Verily, there is no purifier in this world like knowledge. He who is perfected in Yoga finds it within the Self in due time.

Commentary

4.38 न not? हि verily? ज्ञानेन to wisdom? सदृशम् like? पवित्रम् pure? इह here (in this world)? विद्यते is? तत् that? स्वयम् oneself? योगसंसिद्धः perfected in Yoga? कालेन in time? आत्मनि in the Self? विन्दति finds.Commentary There exists no purifier eal to knowledge of the Self. He who has attained perfection by the constant practice of Karma Yoga and Dhyana Yoga (the Yoga of meditation) will? after a time? find the knowledge of the Self in himself.