Related:

• If a fool would persist in his folly he would become wise. -- William Blake
• Answer a fool according to his folly, lest he be wise in his own conceit. -- Proverbs, 26:5
• Love is the wisdom of the fool and the folly of the wise.
• As a dog returns to his vomit, so a fool returneth to his folly.
  Seest thou a man wise in his own conceit? There is more hope of a fool than of him....
• The fool doth think he is wise, but the wise man knows himself to be a fool.
  -- William Shakespeare (1564-1616), As You Like It -- Act v, Sc. 1...
• No bird soars too high if he soars with his own wings. -- William Blake
• No bird soars too high if he soars with his own wings. -- William H. Blake (1757-1827)