Abstention from all luxurious dishes prepared from cow's milk, taking a pleasure in tranquility of heart, lying on naked rocks or the earth, devotion to Yoga, eating potherbs and leaves of trees, and living upon fruits and roots, and wind and water and moss, are some of practices of the Rishis by which they acquire the end that belongs to persons unsubjugated.
निवृत्तिरुपभोगेषु गोरासानां शमे रतिः। स्थण्डिले शयने योगः शाकपर्णनिषेवणम्॥ फलमूलाशन वायुरापः शैवलभक्षणम्। ऋषीणां नियमा ह्येते यैर्जयन्त्यजितां गतिम्॥