改變是人生的定律。只專注於過去和現在的人，必將錯過未來。 Change is the law of life. And those who look only to the past or present are certain to miss the future.

 改變是人生的定律。只專注於過去和現在的人，必將錯過未來。 Change is the law of life. And those who look only to the past or present are certain to miss the future.
約翰．甘迺迪，前美國總統