Where some conceive principles as unconditional rules of behavior, I am conceiving principles as unconditional rules of relationship with those who share them. One must conduct oneself liberally with liberals, peacefully with the peaceful, respectfully with the respectful.

And the best way to know who shares your principles is to go first. Approach others as liberal, peaceful and respectful and offer them the chance to reciprocate.

If they do not reciprocate, different principles are appropriate — for instance, passive resistance, which is not at all the same as unconditionally peaceful behavior.