Nobody can confirm before the right fall to him.
Confirmare est id quod prius infirmum fuit, firmare vel firmum facere.
To confirm is to strengthen, or make strong, that which before was weak.
Confirmat usum qui tollit abusum.
He confirms the use who takes away the abuse.
Confirmatio est nulla ubi donum præcedens est invalidum.
There is no confirmation where the preceding gift is invalid.
Confirmatio est possessionis jure defective per eos quorum jus est ratihabitio.
The confirmation of a possession defective in law, is a ratification by means of those whose right it is.
Confirmatio omnes supplet defectus, licet id quod actum est ab initio non valuit.