Kural - 828

In hands that worship weapon ten hidden lies;
Such are the tears that fall from foeman's eyes

Explanation
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.

Tamil Transliteration
Thozhudhakai Yullum Pataiyotungum Onnaar
Azhudhakan Neerum Anaiththu.