Omnia præclara rara—All excellent things are rare. Cic.
Omnia præsumuntur rite et solenniter esse acta—All things are presumed to have been done duly and in the usual manner. L.
Omnia prius experiri, quam armis, sapientem 25 decet—It becomes a wise man to try all methods before having recourse to arms. Ter.
Omnia profecto, cum se a cœlestibus rebus referet ad humanas, excelsius magnificentiusque et dicet et sentiet—When a man descends from heavenly things to human, he will certainly both speak and feel more loftily and nobly on every theme. Cic.
Omnia quæ nunc vetustissima creduntur, nova fuere ... et quod hodie exemplis tuemur, inter exempla erit—Everything which is now regarded as very ancient was once new, and what we are defending to-day by precedent, will by and by be a precedent itself. Tac.
Omnia rerum principia parva sunt—All beginnings are small. Cic.
Omnia Romæ / Cum pretio—All things may be bought at Rome with money. Juv.
Omnia serviliter pro dominatione—Servile in 30 all his actions for the sake of power. Tac., of Otho.
Omnia subjecisti sub pedibus, oves et boves—Thou hast placed all things beneath our feet, both sheep and oxen. Motto of the Butchers' Company.
Omnia sunt hominum tenui pendentia filo; / Et subito casu, quæ valuere, ruunt—All things human hang by a slender thread; and that which seemed to stand strong of a sudden falls and sinks in ruins. Ovid.