1、Better late than never
2、The unexamined life is not worth living
3、Knowledge is power. 知识就是力量。
4、A friend in need is a friend indeed. 患难见真情。
5、Where there is a will, there is a way.有志者事竟成。
6、Failure is the mother of success. - Thomas Paine 失败乃成功之母。