Manusmriti
यत् करोत्येकरात्रेण वृषलीसेवनाद् द्विजः । तद् भैक्षभुज्जपन्नित्यं त्रिभिर्वर्षैर्व्यपोहति ॥ १७८ ॥
The sin which a twice-born man commits by dallying one night with a Vrishali, he removes in three years, by subsisting on alms and daily muttering (sacred texts).
english translation
yat karotyekarAtreNa vRSalIsevanAd dvijaH । tad bhaikSabhujjapannityaM tribhirvarSairvyapohati ॥ 178 ॥
hk transliteration by Sanscript