Gregorius I Magnus (504-604) Pope 1.9.590 – 12.3. 604
Moralium in Iob
Dialogi, cuius libri secundus vitae Sancti Benedicti dicatus est
Regula Pastoralis Pastoral Rule.
No one presumes to teach an art till he has first, with intent meditation, learnt it. What rashness is it, then, for the unskilful to assume pastoral authority, since the government of souls is the art of arts!
Nulla ars doceri praesumitur, nisi intenta prius meditatione discatur. Ab imperitis ergo pastorale magisterium qua temeritate suscipitur, quando ars est artium regimen animarum.