Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)
Proverb quotes
Adlai E. Stevenson quotes (American Politician. Governor of Illinois (1949-53) and Ambassador to the United Nations (1961-65). 1900-1965)
Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)
Pythagoras quotes (Greek philosopher and mathematician, BC 580-500)
Robert Frost quotes (American poet, 1874-1963)
Confucius quotes (China's most famous teacher, philosopher, and political theorist, 551-479 BC)
Richard M. Nixon quotes (American 37th US President (1969-74), 1913-1994)
