Thirukkural

தொழுதகை யுள்ளும் படையொடுங்கும் ஒன்னார் அழுதகண் ணீரும் அனைத்து.

Thozhudhakai Yullum Pataiyotungum Onnaar Azhudhakan Neerum Anaiththu

A weapon may be hid in the very hands with which (one's) foes adore (him) (and) the tears they shed are of the same nature