Quotation:

 John W. Gardner quotes (American Writer and Secretary of Health, Education and Welfare, 1912-2002)

 John W. Gardner quotes (American Writer and Secretary of Health, Education and Welfare, 1912-2002)

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

 Dale Carnegie quotes (American lecturer, author, 1888-1955)

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

 Thomas Merton quotes (American and Trappist Monk t Our Lady of Gethsemani Abbey in Trappist, Kentucky, 1915-1968)

 Aesop quotes (Ancient Greek Fabulist and Author of a collection of Greek fables. 620 BC-560 BC)

 Henri Frederic Amiel quotes (Swiss writer known for his masterpiece Journal intime, 1821-1881)

 Maya Angelou quotes (American Poet, b.1928)

 John W. Gardner quotes (American Writer and Secretary of Health, Education and Welfare, 1912-2002)

 Anne Morrow Lindbergh quotes (American writer and aviation pioneer, 1906-2001)