Usual custom from a certain reasonable cause, excludes common laws.
Consuetudo licet sit magnæ authoritatis, nunquam tamen præjudicat manifestæ veritati.
Custom, although it be of great authority, is, however, never prejudicial to evident truth.
Consuetudo manerii et loci est observanda.
The custom of a manor, and of a place, is to be observed.
Consuetudo maneriorum domini voluntatem regit.
The custom of manors rules the will of the master.
Consuetudo neque injuria oriri neque tolli potest.
Custom can neither arise nor be taken away by injury.
Consuetudo non præjudicat veritati.