probus invidet nēminī, the honest man envies nobody.

a. Usually vir, homō, or some similar word is employed; as,—

homō doctus, a scholar;

vir Rōmānus, a Roman.

b. But when limited by a pronoun any adjective may be so used; as,—

hīc doctus, this scholar;

doctus quīdam, a certain scholar.

2. Neuters are likewise infrequent; as,—

vērum, truth;

jūstum, justice;

honestum, virtue.

a. This substantive use of Neuter Singulars is commonest in the construction of the Genitive of the Whole, and after Prepositions; as,—

aliquid vērī, something true;

nihil novī, nothing new;

in mediō, in the midst.

[238]. From Adjectives which, like the above, occasionally admit the substantive use, must be carefully distinguished certain others which have become nouns; as,—