Related:

• He knew the precise psychological moment to say nothing.
• Spintharus, speaking in commendation of Epaminondas, says he scarce ever met with any man who knew more and spoke less.
  -- Plutarch (46-120 AD) -- Of Hearing, 6...
• There once was an old man from Esser, Who's knowledge grew lesser and lesser.
  It at last grew so small, He knew nothing at all, And now he's a College Professor....
• REVELATION, n. A famous book in which St. John the Divine concealed all that he knew.
  The revealing is done by the commentators, who know nothing....
• He declared that he knew nothing, except the fact of his ignorance.
  -- Diogenes Laertius (c. 200 AD) -- Socrates, xvi...
• A fanatic is a man who does what he thinks the Lord would do if He knew the facts in the case.
• Adam was the only man who, when he said a good thing, knew that nobody had said it before him.
  -- Mark Twain (Samuel Clemens) (1835-1910)...