Quotation:

 Boethius quotes (Roman scholar, Christian philosopher and statesman, AD 470?-524)

 Ludwig van Beethoven quotes (German Composer the predominant musical figure in the transitional period between the Classical and Romantic era. 1770-1827)

 Henry Wadsworth Longfellow quotes (the most popular American Poet in the 19th century, 1807-1882)

 Ludwig van Beethoven quotes (German Composer the predominant musical figure in the transitional period between the Classical and Romantic era. 1770-1827)

 Robert A. Schumann quotes (German Romantic composer, 1810-1856)

 Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)

 Leonard Bernstein quotes (American Conductor, Composer and Pianist. 1918-1990)

 Ludwig van Beethoven quotes (German Composer the predominant musical figure in the transitional period between the Classical and Romantic era. 1770-1827)

 Berthold Auerbach quotes (German novelist, 1812-1882)

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

 Hans Christian Andersen quotes (Danish Author whose fairy tales are famous throughout the world, 1805-1875)