In claris non fit interpretatio - When a rule is clearly intelligible, there is no need of proposing a (usually extensive) interpretation.⏎
Generalia specialibus non derogant - "The general does not detract from the specific." Specifies that a certain matter of law be covered by the most specific laws pertaining, in the event that broader laws conflict with the specific one.⏎
Ex turpi causa non oritur actio - "From a dishonorable cause an action does not arise." A party cannot bring a legal action for consequences of his own illegal act.⏎
Ignorantia juris non excusat - "Ignorance of the law is no excuse." Not knowing that one's actions are forbidden by the law is not a defense.⏎
Fiat justitia ruat caelum - "Let justice be done though the heavens fall." Also sometimes a motto, a legal maxim that justice must be done regardless of the result otherwise.⏎