U

ubi jus incertum, ibi jus nullum (L) Where the law is uncertain, there is no law.

ubi libertas, ibi patria (L) Where there is liberty, there is my country.

ubi mel, ibi apes (L: where honey is, there are bees) Where there is attraction, there will be no want of admirers.　― Plautus.

ubi tres medici, duo athei (L) Where there are three physicians, there are two atheists.

ultimus Romanorum (L) the last of the Romans (Brutus が Cassius についてのべた言葉; cf. Tacitus, Annales 4: 34).

uni navi ne committas omnia (L) Trust not all in one ship.