Related:

• No one is born knowing all about this stuff...
• A mature person is one who does not think only in absolute
  who is able to be objective even when deeply stirred emotionally, who has learned that there is both good and bad in all people and in all things, and who walks humbly and deals charitably with the circumstances of life, knowing that in this world no one is all-knowing and therefore all of us need both love and charity....
• There is great ability in knowing how to conceal one's ability. (Maxim 245)
• ACCOMPLICE, n. One associated with another in a crime, having guilty knowledge and complicity, as an attorney who defends a criminal, knowing him guilty.
  This view of the attorney's position in the matter has not hitherto commanded the assent of attorneys, no one having offered them a fee for assenting....
• He who has exhausted all his mental constitution knows his nature.
  Knowing his nature, he knows heaven. To preserve one's mental constitution, and nourish one's nature, is the way to serve heaven....
• Knowing when to optimize is as important as knowing how. -- Tom Neff
• The next best thing to knowing something is knowing where to find it. -- Samuel Johnso
• The only things one can admire at length are those one admires without knowing why.
  -- Jean Rostand...
• Real education must be limited to men who *insist* on knowing.
  The rest is mere sheep-herding. -- Ezra Pound...