jñānakarmasanyāsayoga - Verse śloka 38
śloka 38
na hi jñānena sadṛśaṃ pavitramiha vidyate |
tatsvayaṃ yogasaṃsiddhaḥ kālenātmani vindati ||4-38||
Translation
In this world there is nothing so purifying as knowledge. The man perfected in Yoga attains it of himself in due time within the Self.