Those ablutions which one performs with a burning mind in the waters of the knowledge of Brahma in the Tirtha called Manasa, are the true ablutions for truth knowing persons.
मनसा च प्रदीप्तेन ब्रह्मज्ञानजलेन च। स्नाति यो मानसे तीर्थे तत्स्नानं तत्त्वदर्शिनः॥