Related:

• 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....
• Answer a fool according to his folly. -- Old Testament -- Proverbs xxvi, 5
• There is a lion in the way; a lion is in the streets. -- Old Testament -- Proverbs xxvi, 13
• As the bird by wandering, as the swallow by flying, so the curse causeless shall not come.
  -- Old Testament -- Proverbs xxvi, 2...
• Whoso diggeth a pit shall fall therein. -- Old Testament -- Proverbs xxvi, 27
• The heart knoweth his own bitterness; and a stranger doth not intermeddle with his joy.
  -- Old Testament -- Proverbs xiv, 10...
• Answer a fool according to his folly, lest he be wise in his own conceit. -- Proverbs, 26:5
• Can a man take fire in his bosom, and his clothes not be burned?
  -- Old Testament -- Proverbs vi, 27...
• Length of days is in her right hand; and in her left hand riches and honour.
  -- Old Testament -- Proverbs iii, 16...