In an equal delict the state of the defender is better.

In præsentia majoris cessat potentia minoris.

In the presence of the greater, the power of the lesser ceases.

In pœnalibus causis benignius interpretandum est.

In penal causes we ought to interpret more mercifully.

In re dubia magis inficiatio quam affirmatio intelligenda.

In a doubtful affair denial rather than affirmation is to be understood.

In re obscura melius est favere repetitioni quam adventitio lucro.

In an obscure case it is better to favour repetition than adventitious gain.

In rebus manifestis errat qui authoritates legum allegat: quia perspicua vera non sunt probanda.