[PAULUS libro quinquagensimo nono ad edictum. ] §50.16.57.prCui praecipua cura rerum incumbit et qui magis quam ceteri diligentiam et sollicitudinem rebus quibus praesunt debent, hi 'magistri' appellantur.
[PAULUS on the Edict, book 59.] Those upon whom the chief care of things is incumbent, and who owe greater diligence and attentiveness to the things over which they are in charge than others do, are called 'magistri'.
quin etiam ipsi magistratus per deriuationem a magistris cognominantur.
Nay, even the magistrates themselves are so named by derivation from 'magistri'.
unde etiam cuiuslibet disciplinae praeceptores magistros appellari a monendo uel monstrando. '
Whence also the teachers of any discipline are said to be called 'magistri' from warning or showing.
§50.16.57.1Persequi' uidetur et qui satis accepit.
A person is also deemed to 'prosecute' who has received sufficient security.