Yep, that is my preference (though not a requirement).
Interesting, that (the bold part) has never been my point or the point that I have seen anyone make (but I dropped out for a good portion of the discussion). I am fine with gaining supernatural strength just through training in a fantasy world. My point, and I think
@Micah Sweet 's point has never been about in fictional reality of the game world, but game jargon for the players (not the characters). It would simply be an acknowledgement that in this setting characters surpass what is physically possible in our world/reality. It could be one line of text in the book and be done.