Quotation:

 Aristotle quotes (Ancient Greek Philosopher, Scientist and Physician, 384 BC-322 BC)

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

 Mao Tse-Tung quotes (Chinese stateman, the key figure in China in the 20th century, 1893-1976)

 Buddha quotes (Hindu Prince Gautama Siddharta, the founder of Buddhism, 563-483 B.C.)

 Aristotle quotes (Ancient Greek Philosopher, Scientist and Physician, 384 BC-322 BC)

 Mahatma Gandhi quotes (Indian Philosopher, internationally esteemed for his doctrine of nonviolent protest, 1869-1948)

 Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)

 Leo Nikolaevich Tolstoy quotes (Russian moral Thinker, Novelist and Philosopher, notable for his influence on Russian literature and politics. 1828-1910)

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

 John Fitzgerald Kennedy quotes (American 35th US President (1961-63), 1917-1963)

 Aristotle quotes (Ancient Greek Philosopher, Scientist and Physician, 384 BC-322 BC)