Meaning of fiat justitia, ruat caelum*

fi•at jus•ti•ti•a ru•at cae•lum

Pronunciation: (fē'ät yoos-tē'tē-ä" r'ät kī'loom Eng. fē'ät jus-tish'ē-&schwa r'at sē'l&schwam, fī'&schwat), [key]
— Latin. Latin.
  1. let there be justice though the heavens fall.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.