Quid fiere debet, facile præsumitur.

What ought to be done, is easily presumed.

Quid sit jus, et in quo consistat injuria, legis est definire.

It belongs to the law to define what the law is, and in what injustice consists.

Quicquid contra bonos mores facit, jure communi vetitum.

Whatever is done against good morals, is forbidden by common law.

Quicquid in excessu actum est, lege prohibetur.

Whatever is done to excess, is prohibited by law.

Quicquid judicis auctoritati subjicitur, novitati non subjicitur.

Whatever is subjected to the authority of a judge, is not subjected to innovation.