Jus publicum privatorum pactis mutare non potest.
The public law cannot be changed, by the agreements of private persons.
Jus respicit æquitatem.
Law regards equity.
Jus sanguinis, quod in legitimis successoribus spectatur ipso nativitatis tempore quæstium est.
The right of blood, which is considered in legitimate succession, is sought for at the very time of birth.
Jus superveniens authori accrescens successori.
A privilege falling unexpectedly upon an author, or inventor, is an addition to his successor.
Jusjurandum inter alios factum nec nocere nec prodesse debet.
An oath made among others, ought neither to hurt nor to profit.