time lost cannot be won again.

1、时光流逝，不可复得。

time past cannot be called back again.

2、时间不能倒流。

time tries all.

3、路遥知马力，日久见人心。

tit for tat is fair play.

4、人不犯我，我不犯人;人若犯我，我必犯人。

to err is human.

5、人非圣贤，孰能无过

talk of the devil and he will appear.

6、说曹操，曹操就到。

tall trees catch much wind.

7、树大招风。

teach others by your example.

8、躬亲示范。

the best hearts are always the bravest.

9、无私者无畏。

the best man stumbles.

10、伟人也有犯错时。