Nemo Damnum Facit
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
NISI QUI ID facit quod facere jus non habet. No one is considered as doing damage unless he who is doing what he has no right to do.
Dig. 50. 17. 151.
NEMO DARE POTEST QUOD NON HAbet
No man can give that which he has not. Fleta, lib.
3, c. 15, § 8.