O that men's ears should be / To counsel deaf, but not to flattery! Timon of Athens, i. 2.

O that way madness lies. Lear, iii. 4.

O that you could turn your eyes toward the napes of your necks, and make but an interior survey of your good selves! Coriolanus, ii. 1.

O the depth of the riches both of the wisdom 15 and knowledge of God! How unsearchable are His judgments, and His ways past finding out! St. Paul.

O the wound of conscience is no scar, and Time cools it not with his wing, but merely keeps it open with his scythe. Jean Paul.

O these deliberate fools, when they do choose / They have the wisdom by their wit to lose. Mer. of Ven., ii. 9.

O these naughty times / Put bars between the owners and their rights. Mer. of Ven., iii. 2.

O Thor, wer nicht im Augenblick den wahren Augenblick ergreift, / Wer, was er liebt, im Auge, und dennoch nach der Seite schweift—Oh, fool, he seizes not the true moment in the moment who has what he loves before his eye, and still swerves from it. Platen.

O Thou, / Passionless bride, divine Tranquillity, 20 / ... Thou carest not / How roughly men may woo thee, so they win! Tennyson. (?)

O thou who hast still a father and a mother, thank God for it in the day when thy soul is full of joyful tears, and needs a bosom wherein to shed them. Jean Paul.