Cullavagga IV 2.5: Seyyathāpi bhikkhave
caṇḍassa kukkurassa nāsāya pittaṃ bhindeyyuṃ. Evaṃ hi so bhikkhave kukkuro
bhiyyosomattāya caṇḍataro assa.
Oldenberg's translation: "Just, O Bhikkhus, as if you were to burst a gall (bladder) before the nose of a fierce dog, the dog would thereby become so much the fiercer [...]