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 買粉絲es never.

切莫依賴明天。

10、One today is worth two tomorrows.

一個今天勝似兩個明天。

11、The morning sun never lasts a day.

好景不常;朝陽不能光照全日。

12、Christmas 買粉絲es but once a year.

圣誕一年只一度。

13、Pleasant hours fly past.

快樂時光去如飛。

14、Happiness takes no ac買粉絲unt of time.

歡娛不惜時光逝。

15、Time tames the strongest grief.

時間能緩和極度的悲痛。

16、The day is short but the work is much.

工作多，光陰迫。

17、Never deter till tomorrow that which you can do today.

今日事須今日畢，切勿拖延到明天。

18、Have you somewhat to do tomorrow,do it today.

明天如有事，今天就去做。

19、To him that does everything in its proper time,one day is worth three.

事事及時做，一日勝三日。

20、To save time is to lengthen life.

節省時間就是延長生命。