Mbh 12.152.1c

He who wishes to prevent self-destruction should never mix with wicked wights for general or special reasons. From a sinful act committed only once, one may cleanse one's self by repenting of it. From a sinful act committed twice, one may cleanse one's self by vowing never to commit it again. From such an act committed thrice, one may cleanse one's self by the resolution to bear one's self righteously ever afterwards. By committing such an act repeatedly, one may cleanse one's self by a trip to sacred places. One who is desirous of obtaining prosperity should do all that results in blessedness. They who live amidst fragrant odours themselves become fragrant in consequence. They, on the other hand, who live in the midst of foul stench themselves become foul. One devoted to the practice of ascetic penances is soon cleansed of all one's sins. By worshipping the (homa) fire for a year, one stained by diverse sins becomes purified. One guilty of foeticide is cleansed by worshipping the fire for three years. One guilty of foeticide becomes cleansed at even a hundred Yojanas from Mahasaras, or the tirthas called Pushkara, or Prabhasa, or Manasa on the north, if only one gets out for any of them.[446] A slayer of creatures is cleansed of his sins by saving from imminent peril as many creatures of that particular species as have been slain by him. Manu has said that by diving in water after thrice reciting the Aghamarshana mantras, one reaps the fruits of the final bath in a Horse-sacrifice.[447] Such an act very soon cleanses one of all one's sins, and one regains in consequence the esteem of the world. All creatures become obedient to such a person like helpless idiots (obedient to those that surround them). The gods and Asuras, in days of yore, approaching the celestial preceptor Vrihaspati, O king, humbly enquired of him, saying, "Thou knowest, O great Rishi, the fruits of virtue, as also the fruits of those other acts that lead to hell in the next world.