Related:

• Never kick a man when he's down - he may get up.
• The `loner' may be respected, but he is always resented by his colleagues, for he seems to be passing a critical judgment on them, when he may be simply making a limiting statement about himself.
  -- Sidney Harri...
• You may be sure that when a man begins to call himself a realist, he is preparing to do something he is secretly ashamed of doing.
  -- Sydney Harri...
• No man is so foolish but he may sometimes give another good counsel, and no man so wise that he may not easily err if he takes no other counsel than his own.
  He that is taught only by himself has a fool for a teacher. -- Ben Johnso...
• A man serves best, when he serves himself.
• A man he seems of cheerful yesterdays and confident tomorrows. -- Wordsworth