Ratio as opposed to religio, and I trust it comes from the word Res, which means: thing, in latin, since it is only effective as applied to material things, and not moral concepts, which I suppose, have their own reason based mostly upon what works for people.
If that is supposed to be the answer, I still think my wife fits it better.
Yep, that was my answer when I wrote it anyway. You can pick your own if you want.
A decietful slave,
...Often people use "reason", intintionally or not, simply as a tool to defend their own assumtions. The funny thing is, they often become totally convinced that they're right, when in reality they're just piecing nonsense together into a house of cards.
or a brutal master;
...I don't know if I have to explain this one. Those that see reason or logic as the ultimate or only standard end up very disconected from themselves and their humanity.
to avoid her is folly,
...Goes without saying.
to befriend her best.
...The best thing I can figure is to just see reason as one of the valueble but limited aspects of life.