If it's open season on anyone with undesirable political views, to prevent them from doing good work in areas unconnected with their political activity, what's to become of you when
your political views are in the crosshairs? Once you embark on purges of people you don't like or disagree with, you've changed the rules of engagement. Your enemies will then feel justified in turning those same rules on you once they have a taste of a little bit of power.
Roper: So now you'd give the Devil benefit of law!
More: Yes. What would you do? Cut a great road through the law to get after the Devil?
Roper: I'd cut down every law in England to do that!
More: Oh? And when the last law was down, and the Devil turned round on you — where would you hide, Roper, the laws all being flat? This country's planted thick with laws from coast to coast — man's laws, not God's — and if you cut them down — and you're just the man to do it — d'you really think you could stand upright in the winds that would blow then? Yes, I'd give the Devil benefit of law, for my own safety's sake.