Loyalty and Honor Above All = Ne'emanut vechavod me'al hakol (נאמנות וכבוד מעל הכל)
Fidélitás suprá omnis means loyalty above all in Latin
It was said in Striking Distance by Bruce Willis and John Mahoney.
There is not a specific person who originated this quote or phrase. It is something that has been said throughout time and even incorporate as phrasing for military personnel as part of their creed.
LealtÃ? is an Italian equivalent of 'loyalty', and is pronounced 'leh-ahl-TAH'. Onore means 'honor', and is pronounced 'oh-NOH-reh'. Rispetto means 'respect', and is pronounced 'ree-SPEHT-toh'. Fierezza is 'pride', and is pronounced 'fyeh-REHTS-tsah'.
'Fides supra omnes' would mean 'Loyalty above all things.' 'Fidelitas ante omnia' would mean 'Loyalty before everything.' If you want to say 'loyalty above all', you would use 'Fidelitas super omnia.'
Honor previous treaties (Apex)
Personal honor and loyalty to one's lord formed the heart of this code. Loyalty to one's lord was ore important than loyalty to family, religion, or even the emperor, and personal honor was also important. Samurai trained fiercely, fought bravely, and died with honor. The code also required warriors to take pride in their personal appearance.
Nationalism is the term that means loyalty and devotion to a nation or culture exalting that nation above all others.
From About.com Bushido: The code of conduct followed by Japan's samurai warriors. The principles of bushido emphasized honor, courage, and loyalty to a warrior's master above all else. The ideal samurai warrior was supposed to be immune from the fear of death. Only the fear of dishonor, and loyalty to his daimyo, motivated the true samurai.
Loyalty to the state above all else. tl;dr: nationalism.
"Loyalty above all laws"-Woodie
It is related because samurai value honor and loyalty most of all.