6. Time past cannot be called back again.

　　光陰一去不復返。

　　7. All time is no time when it is past.

　　光陰一去不復返。

　　8. No one can call back yesterday;Yesterday will not be called again.

　　昨日不復來。

　　9. Tomorrow comes never. 小學生英語手抄報

　　切莫依賴明天。

　　10.One today is worth two tomorrows.

　　一個今天勝似兩個明天。