Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 38
Sanskrit:
यदुपासनया ब्रह्मन् योगिनो मलमात्मन: ।द्रव्यक्रियाकारकाख्यं धूत्वा यान्त्यपुनर्भवम् ॥ ३८ ॥
ITRANS:
yad-upāsanayā brahmanyogino malam ātmanaḥdravya-kriyā-kārakākhyaṁdhūtvā yānty apunar-bhavam
Translation:
By worship of this subtle form of the Vedas, O brāhmaṇa, mystic sages cleanse their hearts of all contamination caused by impurity of substance, activity and doer, and thus they attain freedom from repeated birth and death.