—  Napoleon, 1769-1821, French Emperor

—  Mark Twain, 1835-1910, American writer

—  Oscar Wilde, 1854-1900, Irish writer

—  Will Durant, 1885-1981, American historian & philosopher

—  Stanislaw Jerzy Lec, 1906-1966, Polish author of maxims

—  Harry Truman, 1884-1972, American President [1945-1953]

—  Dr. Thomas Fuller, 1654-1734,  English physician and adage collector

—  George Bernard Shaw, 1856-1950, Irish writer, Nobel 1925

—  Ayn Rand, 1905-1982, American writer & philosopher

—  Juvenal, 1st-2nd cent. AD, Roman satiric poet

—  Charles Caleb Colton, 1780-1832, English cleric & writer

—  Kin Hubbard, 1868-1930, American cartoonist

—  Publilius Syrus, 1st cent. AD, Roman author of maxims

—  Ralph Waldo Emerson, 1803-1884, American philosopher

—  Lao-Tzu, 6th cent. BC, Chinese philosopher

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

—  Thomas Jefferson, 1749-1826, American President [1801-1809]

—  John Wooden, 1910-2010, American basketball coach

—  Georg Christoph Lichtenberg, 1742-1799, German author of maxims

—  Philip Sidney, 1554-1586, English poet & courtier

—  Sigmund Freud, 1856-1939, Austrian psychologist, founder of psychoanalysis

—  Baltasar Gracian, 1601-1658, Spanish writer

—  Thomas Sowell, 1930 -, American political thinker

—  Marie von Ebner-Eschenbach, 1830-1916, German author of maxims

—  William Hazlitt , 1778-1830, English essayist & critic

—  William Hazlitt , 1778-1830, English essayist & critic

—  Noel Coward, 1899-1973, British playwright

—  William Faulkner, 1897-1962, American writer, Nobel 1949

—  Chanakya, 370-280 π.X., Indian teacher & philosopher

—  Joseph De Maistre, 1753-1821, Savoyard diplomat & philosopher

—  Alexandre Dumas, fils, 1824-1895, French writer

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

—  Nicolas Chamfort, 1740-1794, French writer

—  Nicolas Gomez Davila, 1913-1994, Colombian writer

Puris omnia pura.

—  Latin proverb

—  George Carlin, 1936-2008, American comedian

Δει τον αγαθόν άνδρα παυόμενον της αρχής μη πλουσιώτερον, αλλά μάλλον ενδοξότερον γεγονέναι.

—  Bias of Priene, 625-540 BC, one of the 7 sages of Ancient Greece

Ανήρ δίκαιος πλούτον ουκ έχει ποτέ.

—  Menander, 4th cent. BC, Ancient Greek dramatist (New Comedy)

Καλοκαγαθίαν όρκου πιστοτέραν έχε.

—  Solon, 630-560 BC, Ancient Greek lawmaker & philosopher

Πολλοί τοι πλουτούσι κακοί, αγαθοί δε πένονται. Αλλ᾽ ημείς τούτοις ού διαμειψόμεθα της αρετής τον πλούτον.

—  Solon, 630-560 BC, Ancient Greek lawmaker & philosopher

Αεί κράτιστον εστί τα αληθή λέγειν εν παντί καιρώ.

—  Menander, 4th cent. BC, Ancient Greek dramatist (New Comedy)

Αγαθόν ή είναι χρεών ή μιμείσθαι.

—  Democritus, 470-370 BC, Ancient Greek philosopher

Μη κακά κερδαίνειν: κακά κέρδεα ισ᾽ αάτησιν.

—  Hesiod, 7th cent. BC, Ancient Greek poet ‐ Works and Days -352

Χρήματα δ᾽ ουχ αρπακτά. Θεόσδοτα πολλόν αμείνω.

—  Hesiod, 7th cent. BC, Ancient Greek poet ‐ Works and Days -320

—  Yiddish proverb

—  American proverb