Negatio duplex est affirmatio. A double negative is an affirmative.

Negligentia semper habet infortuniam comitem. Negligence¹ has misfortune for a companion. Co. Litt. 246.

Neminem oportet esse sapientiorem legibus. No man ought to be wiser than the law. Co. Litt. 97.

Nemo admittendus est inhabilitare seipsum. No one is allowed to incapacitate himself. Jenk. Cent. 40. Sed vide "To stultify," and 5 Whart. 371.

Nemo agit in seipsum. No man acts against himself; Jenk. Cent. 40; therefore no man can be a judge in his own cause.

Nemo allegans suam turpitudinem, audiendus est. No one alleging² his own turpitude³ is to be heard as a witness. 4 Inst. 279.

Nemo bis punitur por eodem delicto. No one can be punished twice for the same crime or misdemeanor. See Non bis in idem.

Nemo cogitur rem suam vendere, etiam justo pretio. No one is bound to sell his property, even for a just price. Sed vide Eminent⁴ Domain⁵.

Nemo contra factum suum venire potest. No man ca contradict his own deed. 2 Inst. 66.

Nemo damnum facit, nisi qui id fecit quod facere jus non habet. No one is considered as committing damages, unless he is doing what he has no right to do. dig. 50, 17, 151.

Nemo dat qui non habet. No one can give who does not possess. Jenk. Cent. 250.

Nemo de domo sua extrahi debet. A citizen cannot be taken by force from his house to be conducted before a judge or to prison. Dig. 50, 17. This maxim⁶ in favor of Roman liberty is much the same as that "every man's house is his castle."

Nemo debet esse judex in propriÉ causÉ. No one should be judge in his own cause. 12 Co. 113.

Nemo debet ex alienÉ jacturÉ lucrari. No one ought to gain by another's loss.

Nemo debet immiscere se rei alienae ad se nihil pertinenti. No one should interfere⁷ in what no way concerns him.