Quotation:

 Carl Sandburg quotes (American Historian, Poet and Novelist, 1878-1967)

 Carl Sandburg quotes (American Historian, Poet and Novelist, 1878-1967)

 Carl Sandburg quotes (American Historian, Poet and Novelist, 1878-1967)

 William Wordsworth quotes (Major English Romantic Poet. 1770-1850)

 Emily Dickinson quotes (American Poet who has been called the New England mystic, 1830-1886)

 Kahlil Gibran quotes (Lebanese born American philosophical Essayist, Novelist and Poet. 1883-1931)

 Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)

 Yevgeny Yevtushenko quotes (Russian Poet, b.1933)

 Robert Frost quotes (American poet, 1874-1963)

 Socrates quotes (Ancient Greek Philosopher, 470 BC-399 BC)

 Muriel Rukeyser quotes (American Writer, 1913-1980)