Mark Twain quotes (American Humorist, Writer and Lecturer. 1835-1910)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Socrates quotes (Ancient Greek Philosopher, 470 BC-399 BC)
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Thomas Fuller quotes (British Clergyman and Writer, one of the most prolific authors of the 17th century. 1608-1661)
