Kural - 912

Who weigh the gain, and utter virtuous words with vicious heart,
Weighing such women's worth, from their society depart

Explanation
One must ascertain the character of the ill-natured women who after ascertaining the wealth (of a man) speak (as if they were) good natured-ones, and avoid intercourse (with them).

Tamil Transliteration
Payandhookkip Panpuraikkum Panpin Makalir
Nayandhookki Nallaa Vital.