nemo debet bis vexari pro una et eadem causa
Meaning
A man shall not be vexed twice for the same cause.
Easy way to remember
nemo = No man / Nobody / No one
debet = owes / owed
bis = Twice (bi = Two)
vexari = to be harassed / vexed / prosecuted
pro = for
una = one
et = and
eadem = idem / same
causa = cause of action
