Aequitas est verborum legis sufficiens directo, quae una res sollum-modo, cavetur verbis, ut omnis alia in aequali genere, iisdem cavetur verbis
Dictionary:
Ballentine's Law Dictionary
Equity is the plain interpretation of words of law in such manner as that where one thing only is guarded against by the words, all other things of the same kind are also guarded against by these words.