Lex est sanctio sancta, jubens honesta, et prohibens contraria. Law is a scared sanction, commanding what is right and prohibiting the contrary. 2 Co. Inst. 587.

Lex favet doti. The law favors dower.

Lex fingit ubi subsistit aequitas. Law feigns¹ where equity² subsists³. 11 Co. 90.

Lex intendit vicinum vicini facta scire. The law presumes that one neighbor knows the actions of another. Co. Litt. 78.

Lex judicat de rebus⁴ necessario faciendis quasire ipsa factis. The law judges of things which must necessarily be done, as if actually done.

Lex necessitatis est lex temporis, i.e. instantis. The law of necessity is the law of time, that is, time present. Hob. 159.

Lex neminem cogit ad vana seu inutilia peragenda. Teh forces no one to do vain or useless things.

Lex nemini facit injuriam. The law does wrong to no one.

lex nemini operatur iniquum, nemini facit injuriam. The law never works an injury, or does him a wrong. jenk. Cent. 22.

Lex nil⁵ facit frustra, nil jubet frustra. The law does nothing and commands nothing in vain. 3 Buls. 279; Jenk. Cent. 17.

Lex non cogit impossibilia. The law requires nothing impossible. Co. Litt. 231, b; 1 Bouv. Inst. n. 951.

Lex non curat de minimis. The law does not regard small matters. Hob. 88.

Lex non cogit ad impossibilia. The forces not to impossibilities. Hob. 96.

Lex non praecipit inutilia, quia inutilis labor⁶ stultus. The law commands not useles things, because useless labor is foolish. Co. Litt. 197.