Verse 21

वासनाक्षयविज्ञानमनोनाशाः प्रयत्नतः ।समं सेव्यास्तव चिरं तेन तात न लिप्यसे

In plain words

The destruction of vāsanā, vijñāna, and the destruction of the mind are to be practiced by you together, through effort, for long: by that, dear one, you will not be stained.