विधवायां नियुक्तस्तु घृताक्तो वाग्यतो निशि । एकमुत्पादयेत् पुत्रं न द्वितीयं कथं चन ॥ ६० ॥
sanskrit
He (who is) appointed to (cohabit with) the widow shall (approach her) at night anointed with clarified butter and silent, (and) beget one son, by no means a second.
english translation