Kural - 147

Who sees the wife, another's own, with no desiring eye
In sure domestic bliss he dwelleth ever virtuously

Explanation
He who desires not the womanhood of her who should walk according to the will of another will be praised as a virtuous house-holder.

Tamil Transliteration
Araniyalaan Ilvaazhvaan Enpaan Piraniyalaal
Penmai Nayavaa Thavan.