1、Suffering is the most powerful teacher of life.
2、If you are doing your best,you will not have to worry about failure.
3、True mastery of any skill takes a lifetime.
4、There is no royal road to learning.
5、I am a slow walker,but I never walk backwards.
6、Where there is a will, there is a way.有志者事竟成。
7、A man has two ears and one mouth that he may hear much and speak little.
8、The only limit to our realization of tomorrow will be our doubts of today .
9、If the short cut to learning, it also must be diligent.
10、Victory belongs to the most persevering.