In the ancient tradition, it is taught that one must always strive, with utmost effort, to avoid uttering or even thinking anything inauspicious. This principle extends beyond speech and thought, encompassing the very seat, garment, staff, and sandals of ascetics, which should also be kept free from all that is inauspicious. Care and reverence must be shown in daily actions—one should diligently avoid touching garlands, sleeping places, vessels, shade, and sacrificial implements with the foot, for such acts are considered disrespectful. Above all, never should one commit an offense against the gods or one’s teacher. If such a transgression occurs by mistake, purification is sought by reciting the sacred syllable ten thousand times. This practice not only cleanses the offense but purifies the individual a crore times over, as is prescribed for the expiation of great sins. However, if the sinner is of good conduct, performing half the prescribed recitations suffices; minor offenders who remain observant of their duties are likewise purified with half as much effort. For a Brahmin who neglects the twilight worship, reciting the sacred syllable three times brings purification; if daily rites are omitted, one hundred recitations are required. Violations such as breaking vows, eating forbidden foods, or speaking what ought not to be spoken demand a thousand recitations for purification. In cases where one has killed birds such as crows, owls, or pigeons, reciting one hundred and eight times brings release from impurity without doubt. Yet, those who are true knowers of Brahman, the Self, and the highest truth—foremost among Brahmins—attain purity simply by remembrance. For them, expiations are unnecessary; they are ever pure, their knowledge alone suffices. Those devoted solely to yoga and meditation remain untouched, like gold. For such pure souls, purification is not required, for their very knowledge of Brahman keeps them pure. When performing ritual acts, one should use water that is drawn fresh, avoiding water that is hot, foaming, or impure. Clean cloth and clear sight must be maintained, and polluted water must be avoided. Water spoiled by unpleasant smell, color, or taste, water from unclean places, muddied by clay or stones, from the sea or stagnant pools, or tainted with moss and other impurities, is to be avoided. All acts should be performed with clean cloth, especially by the twice-born. Acts of salutations and service to the teacher, if done without clean cloth, render one impure—this is certain. Garments used in divine service require daily purification, while other clothes are to be purified whenever soiled. One must avoid, by every effort, wearing garments previously worn by others. Silk and woolen clothes should be cleaned with rough kusa grass or mustard. The same rule applies to garments made from coconut, sun-fiber, kutapa, arishtaka, leather, bark, or cane. For all bark garments, umbrellas, and fly-whisks, the sages who know Brahman declare the same rule of cleanliness as for cloth. For vessels, bronze is purified with ash, iron with alkali, copper with acid, as well as tin and lead. Gold and silver vessels are purified with water, and the same rule applies to gems, stones, conch, and pearls. When these items are extremely defiled, purification is achieved by contact with fire or water, or by immersion. Objects such as grass, wood, and similar items are purified by sprinkling with auspicious water or cleansing with hot water; this applies to ladles and spoons as well. Sacrificial vessels, pestle and mortar, and items made of horn, bone, wood, or ivory are purified by scraping. For substances joined together, purification is done by sprinkling; for separate items, each must be cleansed individually. If a heap of grain is defiled, the affected portion should be removed, and the remainder sprinkled with water using kuśa grass. Vegetables, roots, fruits, and similar items are purified in the same way as grain. A house is cleansed by sweeping and wiping, and earthenware by reheating. The earth itself is purified by scraping, smearing, sweeping, the presence of cow dung, or sprinkling. Water found on the ground is considered pure if a cow can drink it without thirst, if it is not contaminated by impurity, and possesses a pleasant smell, color, and taste. A calf is pure at the place of a spring, a bird at the fall of fruit, and a wife’s mouth is pure for householders during intercourse when desiring a wife. A garment washed by hand and a vessel properly cleaned should be thoroughly sprinkled with kuśa water before use by one who knows righteousness. Merchandise that has been displayed, according to caste and stage of life, is pure if it comes from the mine; a dog is pure when catching wild animals. Shadow, dew, flies, dust, earth, wind, and fire are always pure to the touch. After sleeping, eating, sneezing, drinking, spitting, or studying, even if already pure, a Brāhmaṇa should perform ācamana again. Drops of water that touch the feet or fall outside during ācamana are considered as earth and should not be used by one who is not attentive. After sexual intercourse, or touching a fallen person, or animals such as a rooster, pig, crow, dog, camel, or donkey, purification is achieved by bathing. Touching a sacrificial post or outcastes such as a Caṇḍāla is purified by bathing; one should not touch a menstruating woman, a woman in childbirth, or even an outcaste. Those associated with the impurity of childbirth or death should not touch menstruating women; if touched, purification is only by bathing. However, there is no impurity for ascetics, forest-dwellers, celibates, those devoted to lifelong vows, kings, or those who move in groups and are of good conduct. For kings, impurity does not apply due to the conflict with their duties, nor does it apply to Vaikhānasa Brāhmaṇas, for fallen persons do not occur among them. Thus, the tradition lays out the path of purity and reverence, guiding all who seek righteousness in their actions and daily life.