Some verses from the Dhammapada;
- All tremble at violence; all fear death. Putting oneself in the place of another, one should not kill nor cause another to kill.
All tremble at violence; all fear death. Putting oneself in the place of another, one should not kill nor cause another to kill.
All tremble at violence; life is dear to all. Putting oneself in the place of another, one should not kill nor cause another to kill.
- All tremble at violence; life is dear to all. Putting oneself in the place of another, one should not kill nor cause another to kill.
Though a dog might fear pain, is it possible they'd fear death (or a person's violence resulting in their death) even more?
Buddhism doesn't recommend "mercy killing". It's considered very wrong (unforgivable) for a monk to even recommend the alleged "advantages" of suicide, to someone who's in pain.