Cuius est solum eius est usque ad coelum et ad inferos - Used in reference to the rights of property owners to the air above, and land below, their property.⏎
Contra non valentem agere nulla [or non] currit praescriptio - A statute of limitation does not run against those who cannot act; this is the basis of the American discovery rule limiting prescriptive limitation periods.⏎
Delegatus non potest delegare - That which has been delegated cannot delegate further.⏎
De minimis non curat lex - "The law does not concern itself with the smallest things". There must be a minimal level of substance or impact in order to bring a legal action.⏎
Cogitationis poenam nemo patitur - No one suffers punishment for mere intent.⏎