François de La Rochefoucauld, 2nd Duke of La Rochefoucauld, Prince de Marcillac (French: [fʁɑ̃swa d(ə) la ʁɔʃfuko]; 15 September 1613 – 17 March 1680) was an accomplished French moralist of the era of French Classical literature and author of Maximes and Memoirs, the only two works of his dense literary...
Jealousy contains more of self-love than of love.
Gratitude is merely the secret hope of further favors.
Advice is what we ask for when we already know the answer but wish we didn't.
Write down the advice of him who loves you, though you like it not at present.