Vim vi repellere licet
A Law Dictionary and Glossary · George C. Kinney · 1893
A Law Dictionary and Glossary
modo flat moderamine incnlpatse tntelse, nonad snmendam vindictam, sed ad propulsandam injnriam, I. It is lawful to repel force by force, provided it be done with the moderation of blameless defense, not for the purpose of taking revenge, butt to ward off injury.