Mbh 14.46.1e

[141] One should never defile anything by eye, mind, or speech. Nor should one do anything that is wrong, openly or in secret. Withdrawing one's senses like the tortoise withdrawing its limbs, one should attenuate one's senses and mind, cultivate a thoroughly peaceful understanding, and seek to master every topic. Freed from all pairs of opposites, never bending one's head in reverence, abstaining from the rites requiring the utterance of Swaha, one should be free from mineness, and egoism. With cleansed soul, one should never seek to acquire what one has not and protect what one has. Free from expectations, divested of qualities, wedded to tranquillity, one should be free from all attachments and should depend on none. Attached to one's own self and comprehending all topics, one becomes emancipated without doubt. Those who perceive the self, which is without hands and feet and back, which is without head and without stomach, which is free from the operation of all qualities, which is absolute, untainted, and stable, which is without smell, without taste, and touch, without colour, and without sound, which is to be comprehended (by close study), which is unattached, which is without flesh, which is free from anxiety, unfading, and divine, and, lastly, which though dwelling in a house resides in all creatures, succeed in escaping death. There the understanding reaches not, nor the senses, nor the deities, nor the Vedas, nor sacrifices, nor the regions (of superior bliss), nor penance, nor vows. The attainment to it by those who are possessed of knowledge is said to be without comprehension of symbols. Hence, the man who knows the properties of that which is destitute of symbols, should practise the truths of piety.[142] The learned man, betaking himself to a life of domesticity, should adopt that conduct which is conformable to true knowledge. Though undeluded, he should practise piety after the manner of one that is deluded, without finding fault with it.