Legal Maxim's

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
Justitia est duplec; severe puniens et vere praeveniens
— Justice is twofold; 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