Semper Fidelis - Always Faithful (Marine Corp Motto)
Semper gumby - Always flexible (Motto of the US Air Force - This sentence is a hack, it is evident that "gumby" is not Latin)
Semper Paratus - Always Ready (Motto of the United States Coast Guard - Thank you: E. Oleson)
Semper primus - Always first (Motto of the US Navy)
Serviendo guberno - I govern by serving (Family motto of nobility i.e. O'Rourkes of Ireland - Thank you: Charlie)
Sic itur ad astra - This is the way to the stars (Motto of the Colombian Air Force)
Sic Luceant Opera Tua - Your work continues to shine (Motto of the city of Gandia in Valencia, Spain)
Sic obvia frangit - This overcomes obstacles (Motto of the Spanish Light Armoured Cavalry Regiment #11)
Sic Parvis Magna - From small to greatness (Motto given by Queen Elizabeth to Sir Francis Drake (1540-1596) in 1581 for being the first English person to circumnavigate the world)
Sic semper Tyrannus - Thus always to tyrants (Motto of Virginia State )
Sicut in coelo et in terra - As in heaven and earth (Taken from Our Father - Motto of the Spanish Mobile Forces)
Sigillum Militum Xpisti - The Seal of the Soldiers of Christ (This motto was written in Greek and Latin characters in the Templars' rings)
Signum Ostiense - A Sign of Ostia (Pope Alexander IV (1254-1261) motto, according to St. Malachy prophecies - He was Cardinal of Ostia)
Similia Similibus Curantur - Similar cures the similar (Homeopathy motto)
Spem reduxit - Hope reborn (Motto of New Brunswick, Canada)
Spendor sine occasu - Splendour without end (Motto of British Columbia, Canada)
Spiritus rediment materiam - The spirit redeems matter (Matter does not make sense without the spirit, was the motto of the Jesuit University of Guadalajara, Mexico until 1998)
Spiritus Ubi Vult Spirat - The Spirit blows where it wills (Motto of the Cayetano Heredia University in Peru)
Stat crux dum volvitur orbis - As the world turns, the Cross remains (Motto of the St. Bruno order)
Stella clavisque Maris Indici - Star and key of the Indian Ocean (Motto of Mauritius Island)
Sua tela tonanti - Missiles to the one who is Thundering (Motto of the Royal Ordnance Corp)
Sub lege libertas - Freedom under the law (Motto of Portugal)
Sub umbra floreo - Under the shade I flourish (Motto of Belize)
Sunt Mala Quae Libas - The drinks that you offer are bad (Ecclesiastical term - Motto written on the cross of San Benito Abad - Abbreviated as SMQL)
Superata tellus sidera donat - Overcoming earth the stars are given (Motto of Leeds University Air Squadron - Thank you: Ray March)
