Quotation:

 Robert Francis Kennedy quotes ( U.S. attorney general and adviser, 1925-1968)

 Helen Keller quotes (American Author and Educator who was blind and deaf. 1880-1968)

 Andy Warhol quotes (American Artist. Initiator of The Pop art, 1928-1987)

 Anwar Sadat quotes (Egyptian army officer, president of Egypt (1970-1981), 1918-1981)

 Norman Vincent Peale quotes (American Protestant Clergyman and Writer, 1898-1993)

 Winston Churchill quotes (British Orator, Author and Prime Minister during World War II. 1874-1965)

 Robert Francis Kennedy quotes ( U.S. attorney general and adviser, 1925-1968)

 Anatole France quotes (French Writer, member of the French Academy and Nobel Prize for Literature in 1921, 1844-1924)

 Robert Francis Kennedy quotes ( U.S. attorney general and adviser, 1925-1968)

 Robert Francis Kennedy quotes ( U.S. attorney general and adviser, 1925-1968)

 Peter M. Senge quotes