The toughest thing about being a success is that you've got to keep on being a success. — Irving Berlin

Gautama Buddha Confucius Lao Tzu (Laozi) Pope Francis Thích Nhất Hạnh Dalai Lama

Aristotle Seneca Cicero Plato Aesop Euripides Socrates

Maya Angelou Helen Keller Mary Anne Evans (aka George Eliot) Eleanor Roosevelt Emily Dickinson Mignon McLaughlin Virginia Woolf Anaïs Nin Ayn Rand Mother Teresa Erica Jong

Mark Twain Oscar Wilde La Rochefoucauld Groucho Marx Mary Pettibone Poole Scott Adams Ambrose Bierce Piet Hein Robert C. Savage Josh Billings

Charlie Munger Steve Jobs Warren Buffett Jeff Bezos Henry Ford

Maya Angelou Martin Luther King, Jr. Muhammad Ali Booker T. Washington Barack Obama