Papinian:
"Neque
enim nouum aut incogitum est uario iure
communi mancipio libertatem obtingere." (It
is not novel or unknown that a slave who is owned in common can obtain
freedom through the exercise of various common rights).Translated as "Common Law"
Digest 17.1.56 and 50.17.81 Mandati & De regulis iuris
Papinian: "Quae dubitationis tollendae causa contractibus inseruntur, ius commune non laedunt." (Those items that are entered into written contracts to remove uncertainty do not violate common legal principles and rights).
Translated as 1."Various rules of law" 2. "Legal principles"