Mark Twain quotes (American Humorist, Writer and Lecturer. 1835-1910)
Kurt Lewin quotes
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Charles Handy quotes
Jim Rohn quotes (American Speaker and Author. He is famous for motivational audio programs for Business and Life. )
Jean Piaget quotes (Swiss Psychologist and pioneer in the study of child intelligence, 1896-1980)
Grayson Kirk quotes
Barbara Colorose quotes
G. K. Chesterton quotes (English born Gabonese Critic, Essayist, Novelist and Poet, 1874-1936)
