“Nemo me impune lacessit”

What it means to be British

from the Latin as “Do not sit on a thistle.” (Actually, it means “no one attacks me with impunity.”)
Pronunciation:
\im-ˈpyü-nə-tē\
Function:
noun
Etymology:
Middle French or Latin; Middle French impunité, from Latin impunitat-, impunitas, from impune without punishment, from in- + poena punishment — more at pain
Date:1532
: exemption or freedom from punishment, harm, or loss
from Merriam Webster's