We have all seen the "Don't tread on me" flag from the American Revolution minutemen:
But there is a latin equivalent:
"Nemo me impune lacessit"
The Latin phease Nemo me impune lacessit is loosely translated as "no one attacks me with impunity", related to the old Gaelic "Wha daur meddle wi' me?".
I love the patriotic attitude of Virginians, and their license plate motto:
It is also related to the latin "Non inultus premor", meaning "I cannot be touched with impunity".