1.Practice makes perfect. 

熟能生巧。

2.God helps those who help themselves. 

天助自助者。

3.Easier said than done.

说起来容易做起来难。

4.Where there is a will,there is a way. 

有志者事竟成。

5.One false step will make a great difference.  

失之毫厘，谬之千里。

6.Slow and steady wins the race.  

稳扎稳打无往而不胜。

7.A fall into the pit,a gain in your wit.  

吃一堑，长一智。

8.Experience is the mother of wisdom. 

实践出真知。

9.All work and no play makes jack a dull boy.