Who is duc de richelieu?

Famous quotes containing the words duc de, duc and/or richelieu:

    That good disposition which boasts of being most tender is often stifled by the least urging of self-interest.
    François, Duc De La Rochefoucauld (1613–1680)

    To safeguard one’s health at the cost of too strict a diet is a tiresome illness indeed.
    François, Duc De La Rochefoucauld (1613–1680)

    To know how to dissimulate is the knowledge of kings.
    —Duc De Richelieu (1585–1642)