—  Voltaire, 1694-1778, French philosopher & writer

—  Epicurus, 341-270 BC, Ancient Greek philosopher

—  Saint Augustine, 354-430, Christian theologian & philosopher

—  Oscar Wilde, 1854-1900, Irish writer

—  Rumi, 1207-1273, Persian mystic & poet

—  Mahatma Gandhi, 1869-1948, Indian leader of independence

—  William James, 1842-1910, American philosopher

—  Terry Pratchett, 1948-2015, British writer

—  Ovid, 43 BC-17 AD, Roman poet

—  Victor Hugo, 1802-1885, French writer

—  Saul Bellow, 1914-2005, Canadian-American writer, Nobel 1976

—  Martin Luther, 1483-1546, German theologian, protagonist of Reformation

—  Martin Luther, 1483-1546, German theologian, protagonist of Reformation

—  George Herbert, 1593-1633, Welsh poet

—  Mother Teresa, 1910-1997, Albanian-Indian nun & missionary

—  Joseph Joubert, 1754-1824, French author of maxims

—  Orson Welles, 1915-1985, American actor & film director

—  Graham Greene, 1904-1991, British writer

—  Ernest Renan, 1823-1892, French philosopher & historian

—  Edgar Cayce, 1877-1945, American mystic & prophet

—  Søren Kierkegaard, 1813-1855, Danish philosopher

—  Miguel de Unamuno, 1864-1936, Spanish writer & philosopher

—  Martin Luther, 1483-1546, German theologian, protagonist of Reformation

—  Charles de Gaulle, 1890-1970, French President

Ora et Labora.

—  Motto of the Benedictine Order

—  Giorgos Seferis, 1900-1971, Greek poet, Nobel 1963

—  Ambrose Bierce, 1842–1914, American writer

—  Frank Sinatra, 1915-1998, American singer

—  Ashleigh Brilliant, 1933-, British cartoonist & epigrammatist

Μάταιόν εστι παρά θεών αιτείσθαι ά τις εαυτώ χορηγήσαι ικανός εστι.

—  Epicurus, 341-270 BC, Ancient Greek philosopher