A Motto Or Two

Being Scots and being of the nobility here are:

My Personal Motto: Nunquam Verto
The Family Motto: Lieber et Audax
The Clan Motto: Noblis est Ira Leonis

Translated they all mean: "Don't 'F' with me/us!" (In a nice and courteous sorta way).
Seriously, though, you don't want to ...