Salus populi suprema lex esto (Latin "Let the good of the people be the supreme law" or "The welfare of the people shall be the supreme law") is a state motto of Missouri, accepted, like many other states, as an element of its state seal. The source apparently can be found in Cicero's "De Legibus" (book III, part III, sub. VIII). Latin was the language originally spoken in the region around Rome called Latium. ... Here is a list of state mottos for the states of the United States. ... State nickname: The Show Me State Other U.S. States Capital Jefferson City Largest city Kansas City (largest metropolitan area is Saint Louis) Governor Matt Blunt (R) Senators Kit Bond (R) Jim Talent (R) Official languages English Area 69,709 mi²; 180,693 km² (21st) - Land 68,898 mi²; 178... The Missouri State Seal was adopted on January 11, 1822. ... Marcus Tullius Cicero (January 3, 106 BC â December 7, 43 BC) was an orator and statesman of Ancient Rome, and is generally considered the greatest Latin prose stylist. ...