certainty - quotes

François de La Rochefoucauld, 1613-1680

was a French author and moralist

Jealousy feeds upon suspicion, and it turns into fury or it ends as soon as we pass from suspicion to certainty.

H(enry) L(ouis) Mencken, 1880-1956

was an American journalist, essayist, magazine editor, satirist, acerbic critic of American life and culture

It is the dull man who is always sure, and the sure man who is always dull.