Facultas probationum non est angustanda - The right of offering proof is not to be narrowed.
Falsa demonstratio non nocet - A false description does not vitiate.
Fatetur facinus qui judicium fugit - He who flees judgment confesses his guilt.
Felix qui potuit rerum cognoscere causas - Happy is he who has been able to understand the causes of things.
Felonia implicatur in qualibet proditione - Felony is implied in every treason.
Festinatio justitiae est noverca infortunii - The hurrying of justice is the stepmother of misfortune.
Fictio cedit veritati; fictio juris non est, ubi veritas - Fiction yields to truth. Where truth is, fiction of law does not exist.
Fides servanda est - Good faith is to be preserved.
Filiatio non potest probari - Filiation cannot be proved.