O miseri quorum gaudia crimen habent!—O 25 wretched ye whose joys are tainted with guilt! Pseudo-Gallus.
O most lame and impotent conclusion! Othello, ii. 1.
O munera nondum / Intellecta Deum—Oh, that the gifts of the gods should not yet be understood. Lucan.
O my prophetic soul! mine uncle. Ham., i. 5.
O Nature! Ha! why do I not name thee God? Art thou not the "living garment of God?" O Heavens! is it, in very deed, He then that ever speaks through thee; that lives and loves in thee, that lives and loves in me? Carlyle.
O never / Shall sun that morrow see. Macb., i. 5. 30
O nimium nimiumque oblite tuorum—Too, too forgetful of thy kin. Ovid.
O nimm der Stunde wahr, eh' sie entschlüpft. / So selten kommt der Augenblick im Leben / Der wahrhaft wichtig ist und gross—Take note of the hour ere it slips past; so seldom does the moment come which is truly fateful and great. Schiller.
O noctes cœnæque deum!—Oh, nights and suppers of the gods! Hor.
O passi graviora!—Oh, ye who have suffered greater misfortunes than these! Virg.