He talks to a dead man.
More Latin Proverbs:
England's difficulty is Ireland's opportunity.Latin
Bashfulness will not avail a beggar.
Latin
He rises early that is hanged before noon.
Latin
Success leads to insolence.
Latin
Justice is exercised in the proper prevention, rather than in the severe punishment, of crime.
Latin
Hearing he hears not. He is deaf to entreaty. [Aliter., To feign deafness.]
Latin