Barbara De Angelis quotes (American researcher on relationships and personal growth)
Sam Keen quotes (American Philosopher, Spiritual mentor, motivational speaker and Writer)
Brian Tracy quotes (American television host)
Dr. Seuss quotes (American Writer and Cartoonist best known for his collection of children's books. 1904-1991)
Publilius Syrus quotes (Roman author, 1st century B.C.)
Patanjali quotes
Aesop quotes (Ancient Greek Fabulist and Author of a collection of Greek fables. 620 BC-560 BC)
Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)
