- Salus populi est suprema lex – The safety of the people is the supreme law.
- Rex quod injustum est facere non potest – The King cannot do what is unjust.
- Ubi jus ibi remedium est – Where there is a right there is a remedy.
- Vigilantibus non dormientibus jura subveniunt – The laws serve the vigilant, not those who sleep.
- Pacta privata juri publico non derogare possunt – Private contracts cannot derogate from public law.
- Suppressio veri expressio falsi – A suppression of truth is equivalent to an expression of falsehood.
- Actus non facit reum nisi mens sit rea – The act does not make one guilty unless there be a criminal intent.
- Aequitas legem sequitur – Equity follows the law.
- Aequitas nunquam contravenit legem – Equity never contradicts the law.