Even a wise man comes to grief and feels depressions if he imparts instructions to a foolish disciple or when maintains a wicked wife or when comes in close contact with the miserable.
Virtuous persons and fruit-laden trees bow, but fools and dry sticks break because they do not bend.
Once you start a working on something, don’t be afraid of failure and don’t abandon it. People who work sincerely are the happiest.