Malum quo communius eo pejus. The more common the evil, the worse.
Malus usus est abolendus. An evil custom is to be abolished. Co. Litt. 141.
Mandata licita recipiunt strictam interpretationem, sed illicita latam et extensam. lawful2 commands receive a strict interpretation1, but unlawful, a wode or broad construction. Bacon's Max. Reg. 16.
Mandatarius terminos sobi positos transgredi non potest. A mandatory3 cannot exceed the bounds of his authority. Jenk. Cent. 53.
Mandatum nisi gratuitum nullum est. Unless a mandate4 is gratuitous5 it is not a mandate. Dig. 17, 1, 4; Inst. 3, 27; 1 Bouv. Inst. n. 1070.
Manifesta probatione non indigent6. Manifest things require no proof. 7 Co. 40.
Maris et faeminae conjunctio est de jure naturae. The union of husband and wife is founded on the law of nature. 7 Co. 13.
Matrimonia debent esse libera. Marriages ought to be free.
Matrimonium subsequens tollit peccatum praecedens. A subsequent marriage cures preceding criminality.
Maxime ita dicta quia maxima ejus dignitas et certissima auctoritas, atque quod maxim7 omnibus probetur. A maxim is so called because its dignity is chiefest, and its authority most certain, and because universally approved by all. Co. Litt. 11.
Maxim paci sunt contraria, vis et injuria. The greatest enemies to peace are force and wrong. Co. Litt. 161.
Melior est justitia vere praeveniens quam severe pumens. That justice which justly prevents a crime, is better than that which severely8 punishes it.