Kural - 917

Who cherish alien thoughts while folding in their feigned embrace,
These none approach save those devoid of virtue's grace

Explanation
Those who are destitute of a perfectly (reformed) mind will covet the shoulders of those who embrace (them) while their hearts covet other things.

Tamil Transliteration
Nirainenjam Illavar Thoivaar Piranenjir
Penip Punarpavar Thol.