Fiat justitia et pereat mundus. Let justice be done, though the world may perish. SeeWatson 891:1.
Fiat justitia et ruant coeli. Let justice be done, though the heavens may fall. See Ferdinand I 320:1.william watson
If the confidential communications made by servants of the Crown to each other, by superiors to inferiors, or by inferiors to superiors, in the discharge of their duty to the Crown, were liable to be made public in a Court of justice at the instance of any suitor who thought proper to say "fiat justitia mat caelum," an order for discovery might involve the country in a war.