When two testaments are found contradictory to one another, the last is valid; so it is when two clauses are found contradictory to one another in the same deed.
Testium numerus si non adjicitur, duo sufficiunt.
If more witnesses cannot be found, two are sufficient.
Testamenta latissimam interpretationem habere debent.
Testaments ought to have the broadest interpretation.
Testamenta propter inopiam consilii ad mentem testatoris interpretanda etsi verba solemnia desint.
Testaments, on account of the want of counsel, are to be interpreted according to the mind of the testator, although the usual words are wanting.
Testimonia ponderanda sunt, non numeranda.
Testimonies are to be weighed, not to be numbered.
Testamentum nisi post mortem testatoris vim non habet.