Modus debet esse certus, rationabilis, et perantiquus.
A mode ought to be certain, reasonable, and very ancient.
Modus et conventio vincunt legem.
A mode and agreement overcome law.
Moneta est justum medium et mensura rerum commutabilium.
Money is a just medium and measure of things interchanged.
Monopolia dicitur, cum unus solus aliquod genus mercaturæ universum emit, pretium ad suum libitum statuens.
Monopoly is said to take place, when one buys wholly any kind of merchandise, fixing the price at his own pleasure.
Mora reprobatur in lege.
Delay is reprobated in law.