Dhammapada 5 [Khuddaka Nikaya]

I- Yamakavagga, The Pairs
5- Kalayakkhini Vatthu

Na hi verena verani, sammantidha kudacanam;
averena ca sammanti, esa dhammo sanantano.

Hatred is, indeed, never appeased by hatred in this world. It is appeased only by loving-kindness. This is an ancient law.

Reference:
Mya Tin, Daw, tr. The Dhammapada: Verses and Stories. Rangoon: Burma Tipitaka Association, 1986.

Posted by Nyan U