Judex est lex loquens – A judge is the law speaking.
Judex non potest esse testis in propira causa – A judge cannot be witness in his own cause.
Judex non potest injuriam sibi datam punire – A judge cannon punish a wrong done to himself.
Judex non reddit plus quam quod petens ipse requirit – A judge does not give more than the plaintiff himself demands.
Judiciis posterioribus fides est adhibenda – Faith must be given to later decisions.
Judicis est judicare secundum allegata et probata – It is the duty of a judge to decide according to the allegations and the proofs.
Judicium non debet esse illusorium, suum effectum habere debet – A judgment ought not to be illusory; it ought to have its proper effect.
Juduces non tenentur exprimere causam sententiae suae – Judges are not bound to explain the reason of their judgment.
Jura naturae sunt immutabilia – The laws of nature are immutable.
Jura publica anteferenda privatis juribus – Public rights are to be preferred to private rights.
Juramentum est indivisibile et non est admittendum in parte verum et in parte falsum – An oath is indivisible and it is not to be held partly true and partly false.
Jurare est Deum in testem vocare, et est actus divini cultus – To swear is to call God to witness and is an act of divine worship.
Jus – A right that is recognised in law.
Jus accrescendi praefertur oneribus – The right of survivorship is preferred to incumbrances.
Jus ad rem; jus in re – A right to a thing; a right in a thing.
Jus dicere, non jus dare – To declare the law, not to make the law.
Jus est norma recti; et quicquid est contra normam recti est injuria – The law is a rule of right; and whatever is contrary to a rule of right is an injury.
Jus naturale – Natural justice.
Jus naturale est quod apud omnes homines eandem habet potentiam – Natural right is that which has the same force among all men.
Jus scriptum aut non scriptum – The written law or the unwritten law.
Jusjurandum inter alios factum nec nocere nec prodesse debet – An oath made between third parties ought neither to hurt nor profit.
Justitia est duplec; severe puniens et vere praeveniens – Justice is two-fold; severely punishing and in reality prohibiting (offences).
Justitia firmatur solium – The throne is established by justice.
Justitia nemini neganda est – Justice is to be denied to no one.