“O death, where is thy sting? O grave, where is thy victory?” 1 Cor. 15:55
“O, pardon me, thou bleeding piece of earth, / That I am meek and gentle with these butchers! / Thou art the ruins of the noblest man / That ever lived in the tide of times.” Shakespeare, Julius Caesar, Act 3, Scene 1.
“To what green altar, O mysterious priest, / Lead’st thou that heifer lowing at the skies, / And all her silken flanks with garlands drest?” John Keats, “Ode on a Grecian Urn”.
“O eloquent, just, and mighty Death!” Sir Walter Raleigh, A Historie of the World
“Roll on thou dark and deep blue ocean.” Lord Byron, “Childe Harold’s Pilgrimage”.
“Science! True daughter of Old Time thou art!” Edgar Allan Poe, “To Science”.
Common usage as an opposition speaker at a political convention: “And I say to you, Mr. President, we do not want our children to grow up in a world where…(etc.)”
O Captain! My Captain!, title of Walt Whitman’s poem.
Oh, brave new world that has such people in’t!, Shakespeare, The Tempest, Act 5, Scene 1.
Devouring Time, blunt thou the lion’s paws, from Sonnet 19 by William Shakespeare
O cunning Love! , from Sonnet 148 by William Shakespeare
Death, be not proud, though some have called thee, John Donne, Death be not Proud.

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