Ramayana
कामकारो महाप्राज्ञ गुरूणां सर्वदाऽनघ । उपपन्नेषु दारेषु पुत्रेषु च विधीयते ॥ २-१०४-१८
Oh ! sagacious and sinless one, it is laid down (in sastras) that elders when married can always act at their free will towards their wives and sons. ॥ 2-104-18॥
english translation
kAmakAro mahAprAjJa gurUNAM sarvadA'nagha । upapanneSu dAreSu putreSu ca vidhIyate ॥ 2-104-18
hk transliteration by Sanscript