Golden principles of life.
1 Yesterday is history,
   tomorrow is mystery,
   today is called the present-
   so enjoy.
2 Live in present.Neither past
   nor future-- but present moment.
3 Forget and forgive.It is a great saying.
  It keeps you break the continuation of
  tension,jealousy and worry.
4 Relax and enjoy.Life is limited.
  Eve if one is implemented sincerely and seriously,
  it can change your life.
                                --Collection,with addition.