—  Michel de Montaigne, 1533-1592, French thinker

—  Nicolas Gomez Davila, 1913-1994, Colombian writer

—  Martin Luther King, 1929-1968, American leader in the Civil Rights Movement

—  Joseph Campbell, 1904-1987, American academic

—  Odysseas Elytis, 1911-1996, Greek poet, Nobel 1979

—  Charlotte Brontë, 1816-1855, English novelist & poet

—  Napoleon Hill, 1883-1970, American self-help writer

—  Søren Kierkegaard, 1813-1855, Danish philosopher

—  Rumi, 1207-1273, Persian mystic & poet

—  William Shakespeare, 1564-1616, English poet & playwright ‐ Macbeth

Όφις ει μη φάγοι όφιν, δράκων ου γενήσεται.

—  Ancient Greek proverb