1. Tolerance isn't a moral value, but is a pragmatic value [why?]
2. Therefore, only people who abide by the terms of tolerance deserve to receive tolerance, else they're in violation of the treaty and excluded [why? where are these terms listed? who agreed to them?]
3. Suggests due to incompatible interests, constant peace is an impossibility [?]
4. From a speech from Patrick Henry [Appeal to authority?]
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What I find confusing is, to suppose that basic tolerance is subject to a treaty that I don't even know the rules of and never agreed to, then how can I know some stranger's differing ethics (e.g. pro-life) won't say I violated their ethical code and now have am no longer tolerable?
Perhaps this was heavily excerpted? It seems like social contract theory with all of the logistic details left out.