Translate the following English sentence to French:
"The European Union has always considered the respect for fundamental human rights to be one of the essential principles of its founding spirit and has engraved this on the frontispiece of its founding Treaties."
L' Union européenne a toujours considéré un des axes fondamentaux de son esprit inspirateur et elle a façonné sur le frontispice de ses Traités constitutionnels le respect des droits de l' homme fondamentaux.