Let justice be done though the heavens fall.
~ Lord Mansfield
William Murray, 1st Earl of Mansfield (1705–1793), was a British judge, politician, & lawyer, best known for his reforms to English law.
It feels like a coded reference or threat to plop this in without comment, but I don't really have any idea what it means, or whether it's an entirely good thing, justice being but one of many essentials.