Quotation:

 Dr. Laurence J. Peter quotes (American "hierarchiologist", Educator and Writer, 1919-1990)

 Benjamin Franklin quotes (American Statesman, Scientist, Philosopher, Printer, Writer and Inventor. 1706-1790)

 Dr. Laurence J. Peter quotes (American "hierarchiologist", Educator and Writer, 1919-1990)

 Thomas Carlyle quotes (Scottish Historian and Essayist, leading figure in the Victorian era. 1795-1881)

 Herman Melville quotes (American short-story Writer, Novelist and Poet. Best known for his novels of the sea, including his masterpiece, Moby Dick. 1819-1891)

 Giles82

 M.C. Escher quotes

 Eyemadreamer

 Oscar Wilde quotes (Irish Poet, Novelist, Dramatist and Critic, 1854-1900)

 Blueeyes502

 Maya Angelou quotes (American Poet, b.1928)

 Thomas Carlyle quotes (Scottish Historian and Essayist, leading figure in the Victorian era. 1795-1881)

 Oscar Wilde quotes (Irish Poet, Novelist, Dramatist and Critic, 1854-1900)