Morte donantis donatio confirmatur.
A donation is confirmed by the death of the donor.
Mos pro lege.
Custom is for law.
Multa non legibus humanis sed foro divino pertinent.
Many things belong not to human laws, but to the divine cognizance.
Multa non vetat lex quæ tamen tacite damnat.
The law does not prohibit many things which however it silently condemns.
Multi multa nemo omnia novit.
Many know many things; nobody knows all things.