What is Benigne Faciendae Sunt Interpretationes Chartarum, Ut Res Magis Valeat Quam Pereat; Et Quae Libet Concessio Fortissime Contra Donatorem Interpretanda Est?

Legal Definition
Libaral interpretations are to be made of deeds, so that the purpose may rather stand than fall; and every grant is to be token most strongly against the grantor. Wallis v. Wallis, 4 Mass. 135, 3 Am. Dec. 210; Hayes v. Kershow, 1 Sandf. Ch. (N. Y.) 258, 268.
-- Black's Law Dictionary