Shiva Purana
परदारोपभोगेन यत्पापं समुपार्जितम् ॥ न तत्क्षालयितुं शक्यं प्रायश्चित्तशतैरपि ॥ ३९॥
The sin that accrues by indulging in sexual intercourse with another man’s wife cannot be wiped off even by hundreds of expiatory rites.
english translation
paradAropabhogena yatpApaM samupArjitam ॥ na tatkSAlayituM zakyaM prAyazcittazatairapi ॥ 39॥
hk transliteration by Sanscript