You won't be able to cite anything from Pali Canon that justifies it. The Five Precepts, starting with "I undertake the training-precept to abstain from onslau

You won't be able to cite anything from Pali Canon that justifies it. The Five Precepts, starting with "I undertake the training-precept to abstain from onslaught on breathing beings," make no exceptions, under any circumstances. Here’s a verse from the Dhammapada, the short poetic summary of the Buddha’s teachings: All tremble at the rod, all are fearful of death. Drawing the parallel to yourself, neither kill nor get others to kill. All tremble at the rod, all hold their life dear. Drawing the parallel to yourself, neither kill nor get others to kill.