Ad ea quae frequentius accidunt jura adaptantur.
The laws are adapted to those cases that occur more frequently.
Ad dignitatem fieri debet denominatio et resolutio.
The judgment ought to be derived from its most worthy end.
Ad impossibilia nemo tenetur, sed impossibilium nulla est obligatio.
No one is bound to do the impossible, and there is no obligation to perform the impossible.
Ad quaestionem facti non respondent judices; ad quaestionem legis non respondent juratores.
Judges do not answer questions of fact; jurors do not answer questions of law.
Ad quaestiones legis judices, et non juratores, respondent.
Judges, and not jurors, answer questions of law.
Ad recte docendum oportet primum inquirere nomina, quia rerum cognitio a nominibus rerum dependet.
In order rightly to comprehend a thing, it is necessary first to inquire into the names, for a right knowledge of things depends on their names.