The maxim "actus non facit rea nisi mens sit rea mean"-

The correct interpretation of the maxim "actus non facit rea nisi mens sit rea" is: There can be no crime without a guilty mind.

This Latin maxim emphasizes the principle that for an act to be considered a crime, there must be a guilty or criminal state of mind (mens rea) accompanying the wrongful act (actus reus).