Thirukkural

குறிப்பிற் குறிப்புணர் வாரை உறுப்பினுள் யாது கொடுத்தும் கொளல்.

Kurippir Kurippunar Vaarai Uruppinul Yaadhu Kotuththum Kolal

The king should ever give whatever (is asked) of his belongings and secure him who, by the indications (of his own mind) is able to read those of another