Qui periculum amat, in eo peribit.
He who courts danger, shall perish in it.
Qui potest et debet vetare, jubet.
He orders who can, and ought to forbid, and does not do it.
Qui prior in tempore, potior in jure.
He who is first in time, is preferable in law.
Qui semel actionem renunciaverit, amplius repetere non potest.
He who has once renounced his action, cannot resume it any more.
Qui semel malus, semper præsumitur esse malus in eodem genere.
He who has once been wicked, is always presumed to be wicked in the same way.