One should also remember, that its not just rendering a Latin phrase for idiom and exactness.... It is a rendering for something personal and something hundreds of people are going to see, read, and ask about -- it needs to have that sort of flow, or natural rhythm which makes people inclined to certain quotes or sayings, how it sounds when spoken aloud. Though that might have to rest in the opinion of the person utilizing the quote, I suppose. I'm not saying I have the answer, just a thought..
I like all 3 of the variants so far, overall. Pacis Puella's definitely has a straightforwardness to it that I like, and I dig the rhythm it has