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 of poison can, upon any account, come within the lawful means of self-defence. Force may, without doubt, be justly repelled by force; but not by treachery and fraud; for I do not call the stratagems of war, such as ambuscades, masked batteries, false attacks, etc., frauds or treachery; they are mutually to be expected and guarded against; but poisoned arrows, poisoned waters, or poison administered to your enemy (which can only be done by treachery), I have always heard, read, and thought to be unlawful and infamous means of defence, be your danger ever so great; but, si ferociam exuere cunctetur; must I rather die than poison this enemy? Yes, certainly, much rather die than do a base or criminal action; nor can I be sure, beforehand, that this enemy may not in the last moment ferociam exuere. But the public lawyers now seem to me rather to warp the law, in order to authorize than to check those unlawful proceedings of princes and states; which, by being become common, appear less criminal; though custom can never alter the nature of good and ill.

Pray let no quibbles of lawyers, no refinements of casuists break into the plain notions of right and wrong which every man's right reason and plain common sense suggest to him. To do as you would be done by is the plain, sure, and undisputed rule of